Rr x Rr what percent of the offspring will be round

Answers

Answer 1

Answer:

75%

Explanation:

The allele for the dominant round phenotype is represented by R while the allele for recessive wrinkled phenotype is represented by r. In this question, two heterozygous parents are crossed i.e. Rr × Rr.

These parents will produce gametes as follows: R and r. Using these gametes in a punnet square (see attached image), the following offsprings will be produced: RR, Rr, Rr and rr. The RR, Rr, Rr offsprings will have a round phenotype while the rr will have a wrinkled phenotype. This means that 3/4 × 100 = 75% of the offsprings will be round.

Rr X Rr What Percent Of The Offspring Will Be Round

Related Questions


Its a multiple choice about the food chain with now 3 choices please help

Answers

Answer:

a higher than normal population of snakes

Explanation:

I believe this is the correct answer as it is the highest, and it is shown to be rising. it also goes through the rabbit line if that makes any sense, haha. anyways, I hope this helps! :)

☁️☁️☁️☁️☁️☁️☁️

List 4 concepts you learned in this unit about waves and explain how each one applies to your life (4 points)

Answers

Answer:

amplitude, wavelength, frequency, and speed.

Explanation:  Sound is a type of wave that moves through matter and then vibrates our eardrums so we can hear. Light is a special kind of wave that is made up of photons. You can drop a rock into a pond and see waves form in the water. We even use waves (microwaves) to cook our food really fast. Water waves are the focus of our Tsunamis and surf resources, but many other kinds of wave exist. These include sound waves, light waves, radio waves, microwaves and others. All kinds of waves have the same fundamental properties of reflection, refraction, diffraction and interference, and all waves have a wavelength, frequency, speed and amplitude.

The cell cycle can be divided into two broad stages:

The non-dividing portion, called _________________________

The cell division portion called ______________ & ________________

Answers

Answer:

The non-dividing portion is called Interphase.The Cell division portion is called Mitosis and cytokinesis

Explanation:

Answer:

chemical signals from cylins

Explanation:

HELP PLSSS!!! CROWN WILL BE REWARDED FOR CORRECT ANSWER!!!

Which is NOT a function of the digestive system?



A. protect your body from pathogens by providing a protective cover over your body


B. molecules are absorbed into blood and carried throughout the body


C. break down food molecules the body can use


D. wastes are eliminated

Answers

Answer:

Its, A.) protect your body from pathogens by providing a protective cover over your body


2. Order the steps of mineral formation from the first stage to the final stage.

Answers

Answer:

(1) igneous, or magmatic, in which minerals crystallize from a melt, (2) sedimentary, in which minerals are the result of sedimentation, a process whose raw materials are particles from other rocks that have undergone weathering or erosion, (3) metamorphic, in which new minerals form at the expense of earlier ones owing to the effects of changing—usually increasing—temperature or pressure or both on some existing rock type, and (4) hydrothermal, in which minerals are chemically precipitated from hot solutions within Earth.

Explanation:

Hope this helps

From.

1kvibing

Name the largest and smallest national park​

Answers

Answer:

Largest: Wrangell-St. Elias National Park and Preserve, AK, at 13.2 million acres.

Smallest: Thaddeus Kosciuszko National Memorial, PA, at 0.02 acres.

Based on the context clue in the
sentence below, what does
brilliant mean?
The ball was a brilliant blue in
stark contrast to the dull, tan
walls of the racquetball courts.
A. dazzling
B. round
C. stuffy

Answers

Answer:

i belive is: A. Dazzling

Answer:

dazzling

Explanation:

when they use brilliant in this context, they are seemingly emphasizing the beauty in the pigment of the ball.

1.The muscular system consists of two types of tissue, muscle tissue and ______________________________.
connective tissue
scar tissue
skin tissue\\

Answers

I think the answer is Connective tissue

B cells are responsible for cell mediated immunity.
A. True
B. False

Answers

Answer:

True

Explanation:

B cells are involved in the humoral immune response and T cells are involved in the cell-mediated immune response. Class 1 MHC molecules are found on all uncleared cells and class 2 MHC molecules are found on macrophages, B cells, and activated T cells.

How long will it take for 40.0 grams of Radium-226 (Ra-226) to decay to leave a total of 2.5 grams of Ra-226? Ra-226 has a half-life of 1600 years.

Answers

Answer:

6400 years

Explanation:

Given that;

N/No =(1/2)^t/t1/2

No = amount of radioactive material originally present

N = amount of radioactive material present at time t

t= time taken for N amount of radioactive material to remain

t1/2 = have life of the radioactive material

2.5/40 = (1/2)^t/1600

1/16 =  (1/2)^t/1600

(1/2)^4 = (1/2)^t/1600

4 = t/1600

t = 4 * 1600

t = 6400 years

20 pts!!!

The CRISPR system allows biologists to alter the nucleotide sequence of specific genes. Which of these tasks could theoretically be achieved by applying the CRISPR system instead of other techniques of genetic engineering?

A. transferring a functional gene from one organism to another
B. deactivating a disease-causing gene
C. replacing a defective gene with a normal gene
D. determining whether two DNA samples came from the same source

Answers

Answer:

B.

Explanation:

Your welcome

Is the following statement true or false?
Environmental pressures cannot lead to adaptations over time, only mutations can.
True
False

Answers

False.
That would make a species adapt faster

EASY POINTS!
In humans, brown eyes (B) is dominant over blue eyes (b). Teddy has brown eyes, his mother has brown eyes and his father has blue eyes. Their punnett square is represented in the picture attached:
Teddy says that all 4 children in his family have brown eyes. Is this possible?

Question 12 options:
a. Yes, because every child has a 50% chance of having brown eyes
b. No, they should be half brown eyes and half blue eyes
c. No, at least one of his siblings should have brown eyes

Answers

Answer:

A. Yes, because every child has a 50% chance of having brown eyes

Explanation:

This is the correct answer

According to the Punnett square that is given below, the argument made by Teddy may not have correct evidence. This is because it is not possible to have all 4 children in his family has brown eyes. So, the correct option for this question is B.

What is Punnett square?

A Punnett square may be characterized as a type of table in which all of the plausible consequences for a genetic cross between two individuals with known genotypes are given.

According to the context of this question, the genotype of the mother is Bb which has a brown phenotype because brown eye (B) is dominant over blue eyes (b). While the genotype of the father is bb. This is blue eyes.

When both these genotypes are crossed, the genotypes of offspring are Bb, Bb, bb, and bb. This means that the individuals have both traits of blue and brown phenotypes by 50% each.

Therefore, the correct option for this question is B.

To learn more about Punnett square, refer to the link:

https://brainly.com/question/3522181

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Why do we sometimes talk in our sleep?( ꈍᴗꈍ)​

Answers

Answer:

Sleep talking usually occurs by itself and is most often harmless. However, in some cases, it might be a sign of a more serious sleep disorder or health condition. REM sleep behavior disorder (RBD) and sleep terrors are two types of sleep disorders that cause some people to shout during sleep

Explanation:

thankyou

Plz answer correct, it for test
A seismogram shows that P waves travel _____.


at the same speed as surface waves

more slowly than S waves

at the same speed as S waves

faster than S waves

Answers

Answer:  P waves are faster then s waves

Zachary has watched a documentary on the negative and positive impacts of cloning cells. Which of the
following might have been featured in the documentary as a positive impact that cloning may have on
individuals?
PLEASE HELP ME

Answers

Answer: Organ replacement

Explanation:

True or False :
Fish use paired fins to keep their balance.
Pls tell fast will mark brainliest to first and correct ans
NO SCAMMING

Answers

Answer:

The caudal fin, or tail fin, is the main fin used to move the fish forward in the water, while the dorsal fins help the fish balance and keep it from rolling over. The paired fins help with steering and hovering.

Explanation:

Answer:

true

Explanation:

The top fin or dorsal fin is also used in balance but its main function is usually protection.

PLEASE HELP I NEED THIS FAST PLEASE

Answers

TOP Mrna: AGU-AUU-GUG-ACA-CUG-CCC-UGG-GCU

If a DNA molecule is 24% Thymine, which one of these is correct?

A. Adenine is also 24%, Cytosine is 26%
B. Cytosine and Guanine have a total of 48%
C.Guanine is 26% and Cytosine is 24%
D. A and B are correct

Answers

Answer:

D

Explanation:

D is the correct answer i think and I'm sorry if it's not

Phillip Gingrich finds an S-shaped bone in this partial skull, a sigmoid process, which is unique to
one particular order of animals in the water today... which one?

Answers

Answer:

A primitive whale which he named Pakicetus.

Explanation:

Philip Gingrich is a vertebrate paleontologist at the University of Michigan. He has performed extensive research on whales at the Egyptian desert of Wadi Hitan. His research team member discovered a skull whose braincase was bigger than that of a walnut. Gingerich was able to link the small-brained animal, to an early whale.

The auditory bulla had an s-shaped bony crest known as the sigmoid process and these two features helped whales to hear in water. The case, however lacked other features that helped whales hear beneath the waves. This led Gingrich to the conclusion that the unknown animal was semi-aquatic. This finding also lent credence to the possibility of whales evolving from terrestrial animals.

PLEASE HELP!! WILL BE MARKED BRAILIEST
10 points for each question

7. reproductive cell containing genetic material from each parent organism, able
to grow into a complete new mold structure
Zygomycota
yeast
zygospore
stolon

8. sexual reproductive structure formed where two hypha of mold contact each
other *
stalk
symbiosis
spores
zygosporangium

Answers

Answer:

7-Answer is zygospore

8- Answer is zygosporangium

Explanation:

I hope it's helpful!

whats the Definition of postsynaptic?

Answers

Answer:

Postsynaptic potentials are changes in the membrane potential of the postsynaptic terminal of a chemical synapse. Postsynaptic potentials are graded potentials, and should not be confused with action potentials although their function is to initiate or inhibit action potentials.

I hope it's helpful!

Answer:

occurring after synapsis

Explanation:

of, occurring in, or being a nerve cell by which a wave of excitation is conveyed away from a synapse

define a taxon.Give some examples of taxa at different hierarchical levels​

Answers

Answer : A particular level of hierarchy in the classification of living beings is called a taxon. For example, the basic level of classification is species, followed by genus, family, order, class, phylum or division, in ascending order.

Which step in PCR (polymerase chain reaction) is responsible for opening and unwinding the DNA strand to be analyzed?
A) binding
B) elongation
C) denaturation
D) annealing

Answers

Denaturing. This step occurs at around 95C. This causes the double strand Helix to spectate

A confounding variable is an outside variable beyond the control of the race teams and official. What are some confounding variables that could contribute to the speed of the tracks?

Answers

Answer:

rain and turns

Explanation:

There are various confounding variables that could contribute to the speed of the track, one of which is rain. Rain is something that the race teams and officials cannot control and affects the speed at which racecars can operate on a track. This is because the Rain wets the tracks which prevents the cars wheels from properly gripping the track and instead causes them to skid. Another confounding variable would be turns. A track that has more turns would drastically decrease the speed of the tracks as cars would need to slow down for each turn.

2. How do adaptations help organisms?

A. It helps the organisms change colors.

B. It improves its ability to survive and reproduce.

C. It improves its ability to change species.

D. It helps the organism become a fossil.

Answers

Answer:

B. It improves its ability to survive and reproduce.

Explanation:

B. it improves its abulity to survive and reproduce

what kingdom has some organisms that use sunlight to make food, while others consume other organisms as their food source

Answers

Answer: Plant kingdom!

Explanation: Most plants use sunlight to make food with photosynthesis but others, like the Venus fly trap, consume other organisms. Good luck! :D

Which property of DNA contributes the most to DNA's ability to
replicate?
A. DNA coils into a long spiral or helix
B. DNA has two complementary strands that can separate
C. Each strand of DNA has a sugar-phosphate backbone
D. Each strand of DNA can be made of a unique sequence of
four different bases

Answers

Answer b (probably wrong)

The property of DNA contributes the most to DNA's ability to replicate is DNA has two complementary strands that can separate. Thus, option B is correct.

In how many steps replication occurs?

Replication has been occurs in three major steps is the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment. During separation, the two strands of the DNA double helix uncoil at a specific location called the origin.

DNA replication has been known the biological process of producing two identical replicas of DNA from one original DNA molecule.DNA replication occurs in all living organisms acting as the most essential part of biological inheritance.

This is essential for cell division during the growth and repair of damaged tissues, while it also ensures that each of the new cells receives its own copy of the DNA. The cell possesses the distinctive property of division, which makes replication of DNA essential.

Therefore, The property of DNA contributes the most to DNA's ability to replicate is DNA has two complementary strands that can separate. Thus, option B is correct.

Learn more about cell division on:

https://brainly.com/question/29773280

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Chemical formulas can have three components. Help me with the worksheet plz.

Answers

Answer:

1.the elements

2. subscripts

3.right

4.atoms

5.one

6.brackets

7.multiplied

8.subscript

9.right

Explanation:

take a look at the fossil made with amber on page 30. how are they formed and what features of the organisms are preserved in Amber?​

Answers

Tree sap getting hardened
100,000,000 years ago there were mosquitoes like today and also like today they fed on the blood on animals. Namely dinosaurs
Sometimes after biting a dinosaur they’d land on a branch of a tree and get stuck in its sap
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