In pea plants, purple flowers (P) are dominant to white flowers (p) and yellow peas (Y) are dominant to green peas (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? What is the minimum number of squares that you need to do a Punnett square analysis of this cross?
a. ppYY, Ppyy, ppYY, ppyy yielding white flowers with yellow peas, purple flowers with yellow peas, and white flowers with green peas. You can find this with a 3×3 Punnett square.
b. PPYY, PpYy, ppYY, ppyy yielding purple flowers with yellow peas, white flowers with yellow peas, and white flowers with green peas. You can find this with a 2×2 Punnett square.
c. Ppyy, PpYy, ppYY, ppyy yielding purple flowers with green peas, purple flowers with yellow peas, white flowers with yellow peas, and white flowers with green peas. You can find this with a 3×3 Punnett square.
d. PpYY, PpYy, ppYY, ppYy yielding purple flowers with yellow peas, and white flowers with yellow peas. You can find this with a 2×2 Punnett square.
Figure 12.16 This dihybrid cross of pea plants involves the genes for seed color and texture.

Answers

Answer 1

The answer is option b: PPYY, PpYy, ppYY, ppyy yielding purple flowers with yellow peas, white flowers with yellow peas, and white flowers with green peas. You can find this with a 2×2 Punnett square.

To do a Punnett square analysis of this cross, you need to make a grid with two rows and two columns. The letters representing the alleles of one parent are written along the top of the grid, and the letters representing the alleles of the other parent are written along the left side of the grid. Then, you fill in the boxes with the possible combinations of alleles for the offspring.

For this particular cross, the parent PpYY can produce gametes with the alleles PY or Py, while the parent ppYy can produce gametes with the alleles py or Yy. Using the Punnett square, you can see that the possible genotypes of the offspring are PPYY, PpYy, ppYY, and ppyy, each with a 25% chance of occurring. The resulting phenotypes would be purple flowers with yellow peas, white flowers with yellow peas, and white flowers with green peas.

Therefore, the correct option is b.

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Related Questions

Cys
Which amino acid chain will be formed by the codons shown below?
AAG AGA UGU
Messenger
Second base in codon
RNA Codons U
A
G
UUU UCU UAU
U
UGU
Phe
UUC
UAC
UCC
Tyr
U
JUGC
С
Ser
UUA UCA
Leu
UAA Stop UGA Stop LA
UUG UCG UAG Stop UGG Trp G
CUU CCU CAU CGU U
CUC ССС
His
CAC CGC с
CUA
Leu Pro
CCA
Arg
CAA CGA
Gin
CUG CCG CAG CGG
G
AUU ACU AAU
Asn
AGU U
AUC
Ser
Ile ACC
Thr
AAC) AGC
с
AUA
ACA AAA
AGA
Lys
A
AUGStart Me ACG AAG AGG
Arg
G
GUU GCUN GAU
GGU
Asp
GUC
U
GAC
G
Val
Ala
С
GUA GCA
Gly
GAA
А
GUG GCG GAG GGG
First base in codon
soldosolclo soldosole
Sesocolso coloco
Third base in codon
GCC
GGC
Glu GGA
A. Lys-Ser-Cys
B. Asn-Ser-Cys

Answers

Answer: for me, i had the choices of

A. Gly Lys Val

B. Glu Lys Cys

C. Gly Lys Cys

D. Glu Lys Val

and C was the correct one

Explanation: this is for ap_x 2.2.4 quiz of February 24th, 2021

Net filtration pressure refers to the difference between net hydrostatic pressure and net colloid osmotic pressure across a membrane.

Answers

It is true that net filtration pressure refers to the difference between net hydrostatic pressure and net colloid osmotic pressure across a membrane.

Net filtration pressure is the outcome of comparing two opposing forces that drive fluid movement across a membrane.

It's calculated by subtracting the net colloid osmotic pressure (caused by proteins and molecules in the fluid) from the net hydrostatic pressure (exerted by the fluid itself) in a given system.

This pressure difference influences the movement of fluids, like blood plasma, in various physiological processes, including filtration and capillary exchange.

Net filtration pressure plays a critical role in maintaining fluid balance and regulating nutrient exchange between blood vessels and surrounding tissues, contributing to overall bodily function and homeostasis.

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1. tis a system of thunderstorms which are moving around a center.
a. tropical cyclone
b. thunderstorm
c. tsunami​

Answers

Answer:

B. TROPICAL CYCLONE

Explanation:

I GUESS IT IS CORRECT

the answer is

a. tropical cyclone :)

What three major groups of molecules can be used as fuel for cellular respiration?

Answers

Glycolysis, Krebs cycle, Electron transport chain .In cellular respiration oxygen and glucose react and form ATP . water and carbon-dioxide are released as byproducts. These three stages of aerobic respiration.

Glucose which is the primary fuel for cellular respiration ,without that the process can't be started because there is no pyruvate for use in kerbs cycle in which NADH and carbon is formed.

Cellular respiration occur both aerobically (with oxygen) or aerobically (without oxygen). Anaerobic respiration is a normal part of cellular respiration. Glycolysis is first step in cellular respiration is anaerobic and does not require oxygen. If oxygen present then continue form kerb cycle and oxidative phosphorylation.

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Helppppp ASAAAAAAAP, this is biology

Answers

To confirm, yes the other person is correct the answer is red and blue! Have a nice day :)

Mollusks are invertebrates. What does it
mean when an animal is an invertebrate?
A. They all have shells.
B. They have a backbone.
C. They do not have a backbone.
D. They live in the ocean.

Answers

Answer:

c they do not have a backbone

Explanation:

Invertebrates are animals that neither possess nor develop a vertebral column (commonly known as a backbone or spine), derived from the notochord. This includes all animals apart from the subphylum Vertebrata. Familiar examples of invertebrates include arthropods (insects, arachnids, crustaceans, and myriapods), mollusks (chitons, snail, bivalves, squids, and octopuses), annelid (earthworms and leeches), and cnidarians (hydras, jellyfishes, sea anemones, and corals).

Answer:

c

Explanation:

bc i took the test

explain exocrine system?? ​

Answers

Answer:

Exocrine: Pertaining to the secretion of a substance out through a duct. The exocrine glands include the salivary glands, sweat glands and glands within the gastrointestinal tract. Exocrine is as opposed to endocrine which refers to the secretion of a substance (a hormone) into the bloodstream.

2. A lunar eclipse can occur when the Moon is in......in its orbit.



Help me this is from amplify

Answers

Answer:

Lunar eclipses can only happen when the Moon is opposite the Sun in the sky, a monthly occurrence we know as a full Moon. But lunar eclipses do not occur every month because the Moon's orbit is tilted five degrees from Earth's orbit around the Sun. Without the tilt, lunar eclipses would occur every month.

A lunar eclipse occurs when the moon moves into the earth's shadow, it occurs when the earth, moon, and sun are close together.

What is a lunar eclipse?

When the Moon passes through the shadow of the Earth, a lunar eclipse happens and also depends on the sun.

Only on the night of a full moon when the Moon is close to either lunar node can the Sun, Earth, and Moon be precisely or extremely closely aligned with Earth between the other two.

When the Moon and Sun are on opposing sides of Earth, a total lunar eclipse takes place. When only a portion of the Moon is covered by Earth's shadow, a partial lunar eclipse occurs.

Therefore when the moon moves into the earth's shadow lunar eclipse happens.

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please help me this assignment is due at 9

Answers

Answer:

The cell pictured in the diagram is a plant cell because there is are chloroplasts. Chloroplasts are located in plant cells and not in animal cells. Chloroplasts are where photosynthesis occurs, and photosynthesis does not occur in animals.

Why does population growth result in more death and damage from natural hazards?

Answers

Answer:

it would be bad because the more the population grows the less land and the less food.

Explanation:

hope this helps :D

what is the objective lenses on a microscope for

Answers

Answer:

Id.k

Explanation:


How could the extinction of plants have caused the extinction of some animals?

Answers

Some dinosaur only ate plants and no meat. As plants became extinct the dinosaur who ate plants couldn’t get the food they need so they starved.

What causes diabetes?​

Answers

Answer:

Explanation:

When your immune system attacks and destroys the insulin-producing beta cells of the pancreas.

Diabetes is caused by genes and environmental factors around you, such as viruses, that might trigger the disease.

how did the frame shift change the amino acid

Answers

During translation, the sequence of codons is read in order from the nucleotide sequence to synthesize a chain of amino acids and form a protein.

Therefore, frameshift mutations result in abnormal protein products with an incorrect amino acid sequence that can be either longer or shorter than the normal protein.

Hope this helped!

will giv brainly please help

Answers

Answer:

3,2,4,1 is the correct order.

Explanation:

3 would be cuz initially there were no life forms. 2 cuz bacteria came and then primitive and simple animals and plants evolved. Then 4 cuz simple life came from bacteria. Then 1 bc from those simple life an complexed life evolved.

Which mechanism contributes to the long-term enhancement of the gill withdrawal reflex in Aplysia but is not involved in the short-term enhancement of the reflex

Answers

Activation of G-protein coupled receptors contribute to the long-term enhancement of the gill withdrawal reflex in Aplysia but is not involved in the short-term enhancement of the reflex.

The gill and siphon withdrawal reflex (GSWR) of the sea hare Aplysia californica, also known as a giant shell-less sea snail or sea slug, is an involuntary defence response that the sea hare does automatically. When the animal is startled, this response causes the sea hare's sensitive siphon and gill to retract, protecting them from further damage. Because of the ease of use and fairly large size of the underlying neuronal circuitry, the species Aplysia californica is utilized in the field of neuroscience research for the purpose of investigating the cellular basis of behaviour, such as habituation, dishabituation, and sensitization.

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What are the 4 steps of Natural Selection?

Answers

Answer:

Variation. Organisms (within populations) exhibit individual variation in appearance and behavior. ...

Inheritance. Some traits are consistently passed on from parent to offspring. ...

High rate of population growth. ...

Differential survival and reproduction.

Explanation:

how do thick and fleshy leaves of aloe vera help in adaptation?​

Answers

Answer:

Aloes adapt to this by using their tissue to store large volumes of water. Aloe vera has thick and fleshy leaves, which are enlarged to accommodate the aqueous tissue. ... Carbohydrates synthesized in excess of that needed for energy are transported by the phloem to the cells in the leaf pulp.

Explanation:

could someone help me with this please

Answers

Answer:

3

Explanation:

4 and it almost looks like a motorcycle Engine part if you look at it close

What is the process called when two glucose molecules bond together to form a
disaccharide and why is it important.

Answers

Answer:

Dehydration reaction (a condensation reaction)disaccharide will provide energy for chemical reactions in the body to take place.

Explanation:

The Condensation Reaction is an organic reaction in which two molecules combine to give a single product accompanied by the formation of a molecule of water H2O. Disaccharides are produced when two monosaccharides are chemically combined. The bond called O-glycosidic, is the bond by which monosaccharides join to form disaccharides or polysaccharides. In this type of bond, an OH group of an anomeric carbon of a monosaccharide reacts with an OH group of another monosaccharide, releasing a water molecule.The main function of disaccharides is to provide energy to the cells of the human body, or glycogen. This is achieved through enzymes that act in the synthesis of the disaccharide, extracting glucose. Among the main and best known enzymes that act in this process are insulin for sucrose, lactase for lactose, and trehalase for trehalose.

What is Blumenbach's 1775 Classification

Answers

Answer:

In the second edition of On the Natural Varieties of Mankind, Blumenbach used Bildungstrieb to explain the degeneration of an original type of human into the five varieties—which he later classified as Caucasian, Mongolian, Malayan, Ethiopian, and American—found around the world

Explanation:

Id.k if this is wat u were looking for so mb if its not

PLS HELP ILL MARK BRAILIEST an explanation of the STRUCTURE of
enzymes. YOU MUST USE THE WORDS ENZYME,
SUBSTRATE, ACTIVE SITE, LOCK AND KEY" and
ENZYME SUBSTRATE COMPLEX.

Answers

When an enzyme binds its substrate, it forms an enzyme-substrate complex. This complex lowers the activation energy of the reaction and promotes its rapid progression by providing certain ions or chemical groups that actually form covalent bonds with molecules as a necessary step of the reaction process.

catalyzed particular chemical reactions – in this case, reactions that broke down the film of eye goo that accumulated on my contacts after a week of use. (Presumably, the reason it stung when I got it in my eyes was that the enzymes would also happily break down eye goo in an intact eye.) In this article, we’ll look in greater depth at what an enzyme is and how it catalyzes a particular chemical reaction.

Enzymes and activation energy

A substance that speeds up a chemical reaction—without being a reactant—is called a catalyst. The catalysts for biochemical reactions that happen in living organisms are called enzymes. Enzymes are usually proteins, though some ribonucleic acid (RNA) molecules act as enzymes too.

Enzymes perform the critical task of lowering a reaction's activation energy—that is, the amount of energy that must be put in for the reaction to begin. Enzymes work by binding to reactant molecules and holding them in such a way that the chemical bond-breaking and bond-forming processes take place more readily.

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What is the difference between “expressing” and “repressing” and gene?

Answers

repressing is a gene and pressing is a gene but both can repress and press

Disruption of the ________ of cardiac muscle tissue would interfere with the heart's ability to beat in synchronous fashion.

Answers

Disruption in the intercalated discs in the cardiac muscles would interfere with the hearts ability to beat in synchronous manner.

The important salient features of intercalated disc are-

These intercalated disc in cardiac muscles of the heart create connections between nearby cells The intercalated disc provides for coordinated operation of the cardiac cells and is highly specialised to facilitate the beatingExtensive folds and intercellular junctions for mechanical and electrical interactions between neighbouring cells make up the intercalated disc at the ends of muscle cells

The electrical characteristics of the cardiac muscle cells and the passage of electrical information from one region of the heart to another determine the rate at which the heart contracts and the synchronisation of atrial and ventricular contraction necessary for the efficient pumping of blood.

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Chromatids are held together by a
A spindle fiber.
O
B. centromere.
C. cell plate.
o
D. centriole.

Answers

Answer:

cell plate

Explanation:

This process entails the delivery of Golgi-derived and endosomal vesicles carrying cell wall and cell membrane components to the plane of cell division and the subsequent fusion of these vesicles within this plate.

Centromere

Two chromatically are held together at a region of dna called the cetromere. Centromeres are the attachment points for microtubules , which are responsible for the guiding the movements of chromosomes during mitosis and meiosis.

Altering Urine Volume Indicate whether each of the following would increase or decrease urine volume.

Answers

Would Result in a MORE Dilute Urine.

Urine

In both humans and several other animals, urine is a liquid waste product of metabolism. Urinary bladder is reached by kidney urine traveling through ureters. Through the urethra, the body excretes urine as a result of urination.

Numerous nitrogen-rich waste products produced by cellular metabolism, such as urea, uric acid, and creatinine, must be removed from the bloodstream. Urination, which is the body's major mechanism for excreting water-soluble substances, causes these by-products to be evacuated from the body. Nitrogenous wastes from the mammalian body can be found by performing a urinalysis.

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the chambers in the upper part of the heart , which receive blood from the rest of the body , is called _____

Answers

The chambers in the upper part of the heart , which receive blood from the rest of the body , is called Atria.

The atria are the two upper chambers. Blood is given out and collected. The ventricles are the two bottom chambers.Blood circulates through the four chambers of the heart. Right atrial blood flows into and via the right ventricle. The blood is pumped from the right ventricle to the lungs, where it is oxygenated. The pulmonary veins that enter the left atrium return the oxygenated blood to the heart. Blood enters the left ventricle from the left atrium. The aorta will deliver the oxygenated blood to every part of the body when the left ventricle pumps blood there.

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The ability of cardiac muscle cells to contract spontaneously without a stimulus from a nerve source is called:______

Answers

The ability of cardiac muscle cells to contract spontaneously without a stimulus form a nerve source is called Automaticity. It is a ability to contract without direct stimulation by nervous system.

Cardiac muscle cells has special characteristic which called automaticity , allows cardiac muscle cell to contract spontaneously without a stimulus form a nerve source. Property of cardiac cells to generating spontaneous action potentials.

Automaticity is to do things without occupying the mind with the low level details required to become an automatic response habit. Learning , repetition and practice is the resultant. It is fundamental physiological function in organisms to initiated by specialized populations of cardiac cells.

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Recessive traits are...
visible in the organism's phenotype as long as TWO recessive traits are present.


visible in the organism's phenotype as long as ONE recessive trait is present.

Answers

Recessive traits are visible in the organisms phenotype as long as TWO recessive traits are present.

(a) The following account was written by a confused student.
Rewrite the paragraphs with the mistakes corrected:

"Shortly after a heavy meal, glucose is absorbed from the large
intestine, and its concentration in the blood cells goes up.
This rise is detected by the liver, which releases the hormone
insulin into the blood. Insulin makes the pancreas remove the
extra glucose from the blood and store it as starch.
Later on, the concentration of glucose in the blood drops. The
liver breaks down fat so that it goes up again.

(6 marks) (6 words need changing!)

(b) Explain why, some time after the meal, the blood glucose
concentration falls below its correct level.
(2 marks)

Answers

Answer:  Shortly after a heavy meal, the glucose levels increase. This rise is detected by the liver, which releases the hormoneinsulin into the blood. Then cells in the pancreas release insulin, causing the body to absorb glucose from the blood and lowering the blood sugar level to normal.

Explanation:

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list two ways that different exons can be included in a mrna that is initially transcribed from the same gene. In research, a concept, which is a thought or notion that is more challenging to measure, is termed a(n): A. Group OB. Construct OC. Element D. Variable what event created the belief that formal education was essential to the well-being of society From the data shown below, determine the economic service life of the asset.Years AW of AW of AW of Retained First Cost Operating Cost Salvage Value 1 $-165,000 $-36,000 $99,000 2 -86,429 -36,000 38,095 3 -60,317 -42,000 18,127 4 -47,321 -43,000 6,464 5 -39,570 -48,000 3,276 Experiments with Drosophila melanogaster contributed greatly to our understanding ofhow chromosome aberrations behave in meiosis. This is because? 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