None of the daughters from the union will have hemophilia.
Inheritance pattern of hemophiliaThe woman would be a carrier since she must have inherited the allele from her father. Thus, her genotype will be [tex]X^HX^h[/tex] assuming the H (h) represents the allele.
The genotype of the father will be [tex]X^HY[/tex]
Crossing the two: [tex]X^HX^h[/tex] x [tex]X^HY[/tex]
[tex]X^HX^H[/tex] [tex]X^HY[/tex] [tex]X^HX^h[/tex] [tex]X^hY[/tex]
Thus, none of their daughters will have hemophilia.
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Prokaryotic cells are defined as those cells which do not have a(n) ___.
Answer:
nucleus
Explanation:
PLSSS HELP ILL GIVE 100 POINTS PLSSS HELPPP
Include a Claim, Evidence, Explanation, and Conclusion for full credit.
Cells were obtained from a patient with a viral infection. The DNA extracted from these cells consisted of two forms: double-stranded human DNA and single-stranded viral DNA. The base composition of these two forms of DNA are shown in the image.
Construct an argument based on evidence to determine which form was the viral DNA and which form was the human DNA.
Answer:
TGCA
Explanation:
Since they cannot make their own energy, fungi are best classified as _____.
A autotrophs
B heterotrophs
C prokaryotes
D producers
Answer:
B
Explanation:
plants are autotrophs meaning they make their own food using the energy from sunlight. Fungi are heterotrophs which means they obtain food from outside of themselves.
Answer:
b
Explanation:
HELP ASAP!!!!!!!
Fill in the blank
How do i know what elements will form chemical bonds
Answer:
the number of electrons in its valence shell
Explanation:
How does the sun power the carbon cycle
Answer:
The sun takes an integral role in the photosynthesis stage of the Carbon Cycle. Photosynthesis refers to the process by which plants take in carbon dioxide and water (the products of respiration), and convert it to oxygen, powered by the energy of the sun.
Explanation:
PLEASE HELP :)
What knowledge can you gain from science courses that you can apply in life?
You can learn anatomy and help animals if you wanna be a vet
suggest why digestion (the breakdown of large macromolecules) is largely performed by extracellular enzymes
Answer:
Enzymes speed up the breakdown of macromolecules in food to small molecules
Explanation:
During digestion, the macromolecules that make up food are hydrolyzed by digestive juices to molecules of a size that allows their absorption through the lumen of the tract. In this way, proteins are divided into amino acids, carbohydrates into glucose and other monosaccharides, and fats into glycerol and fatty acids. Digestion and absorption take place mainly in the small intestine.The production of extracellular enzymes that, once released into the medium, degrade the substrate and then allow their diffusion / transport.
Which of the following best describes the relationship between variations and adaptations?
A)All variations are adaptations, but not all adaptations come from variations
B)All adaptations are variations and all variations help organisms survive
C)Variations result from adaptations organisms make to the environment
D)Adaptations result from variations only if they help an organism survive
Answer:
B
Explanation:
Adaptations result from variations that help an organism to survive better in the environment. Option D is correct
Adaptation:
It is the physical changes in the organisms that increase the chance of survival.
Variation:
They are the traits that are found in the population that are caused by
genetic mutation.
For example- Coat color of Rabbit:
If it is brown color this can help rabbit to hide himself, but there are other colors also that are variation.
Therefore, adaptations result from variations that help an organism to survive better in the environment. Option D is correct.
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When a new organism is discovered which would be the best to classify it
Answer:thanks for points
Explanation:
(15 points) Aerobic cellular respiration takes place in the mitochondria and uses oxygen to break down glucose. However, when cells need large amounts of energy and no oxygen is available, anaerobic respiration can take place in the cytoplasm. What is the difference in the products of aerobic and anaerobic cellular respiration?
Answer:
There are two kinds of respiration: Aerobic and Anaerobic. ... Aerobic respiration takes place in the presence of oxygen, produces a large amount of energy. Carbon dioxide and water are produced as the waste products. Anaerobic respiration takes place without the use of oxygen, produces small amounts of energy.
Explanation:
I looked it up for u :D
Approximately how many degrees does Earth
travel in its orbit in one month?
A. 1°
B. 15°
C. 30°
D 360°
Earth moves about 1 degree in one day. Multiply that by 30 days so the Earth moves about 30 degrees in one month.
EASY BIO QUESTION
15 PTS WILL MARK BRAINLIEST
Which is the best description of carbohydrates?
biomolecules made up of amino acids
biomolecules made up of nucleic acids
hydrophilic molecules that provide energy for the body
hydrophilic molecules that are part of the cell membrane
Answer:
hydrophilic molecules that provide energy to the body.
Explanation:
because looked in my study book, then asked my teacher.
The noise of thunder is caused by ___
A. Rapid of expansion of air
B. Clouds rushing past each other
C. Rain hitting the ground
D. Two air masses colliding
Answer:
A the rapid expansion of air
Explanation:
Can someone please help me. WILL MARK U BRAINLIEST!!!
Answer:
1) is answer A
2)B
3) D
Explanation:
Which of the following is the mean number per cross of F2 generation offspring that are the result of crossing over
Answer:
2.2
Explanation:
Since all of the mice in the F1 generation are heterozygous for both traits, they contain a copy of each on separate chromosomes. (AB on one from parent 1 and ab on the other from the parent 2.) If these chromosomes split away from each other without crossing over, the F2 offspring can ONLY by AABB or aabb. This means that any heterozygous combinations are the result of crossing over and must be counted. When all are counted, we get a total of 11, or 2.2 per cross.
To calculate the mean number per cross of the offspring that result of crossing over, we need to make an addition of individuals that result from crossing-over, and divide the result by the number of crosses. The result is 2.2.
---------------------
According to the statement, crosses were as follow
Cross 1) Between two true-breeding
Parentals) LLBB x llbb
F1) 100% LlBb
Cross 2) Between two dihybrids
Parentals) LlBb x LlBb
The results of the F2 are
Phenotype Cross1 Cross2 Cross3 Cross4 Cross5
Long-Black 6 5 5 6 7
Long-White 1 1 0 2 2
Short-Black 0 2 1 1 1
Short-White 2 3 3 2 2
If there is no crossing-over, offspring will have the same chromosomes as parentals, which are Long-Black (LB) or Short-White (lb), because these chromosomes separate without interchanging segments.
However, if there is crossing over, these chromosomes interchange segments, and the result is Long-White (Lb) and short-black (lB).
So now, we need to count how many individuals from the F2 are a result of crossing-over.
Phenotype Cross1 Cross2 Cross3 Cross4 Cross5 Total
Long-White 1 1 0 2 2 6Short-Black 0 2 1 1 1 511
Eleven individuals result from crossing over. But we need to calculate the mean number per cross.
So, since there are 5 crosses, we need to divide the total number of individuals that are the result of crossing over by the total number of crosses.
total number of individuals = 11total number of crosses = 5Mean number per cross of F2 generation ⇒ 11/5 = 2.2
The mean number per cross of F2 generation offspring that are the result of crossing over is 2.2
---------------------------------------
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A biology class wanted to study the effect of different materials on the melting rate of ice. They placed pieces of ice, each with a mass of 10g, onto trays. Group 1 was covered in plastic, group 2 was covered in paper, group 3 was covered in aluminum, and group 4 remained uncovered. Each piece of ice was allowed to melt for 15 minutes. Then final mass of the ice, minus the melted water, was recorded at the end of the experiment. Which of the following is the control group in this experiment? Choose 1 answer: Choose 1 answer: (Choice A) A Group 2 (Choice B) B Group 4 (Choice C) C Group 1 (Choice D) D Group 3
Answer:
CHOICE B, GROUP 4.
Explanation:
THIS IS THE CONTROL GROUP BECUASE THEIR ICE WAS UNCOVERED AND HAD NOTHING EFFECTING IT'S MELT TIME.
Answer:
group 4
Explanation:
How are speed and velocity different from each other
:
Speed is the rate at which something travels
Velocity is the rate at which a position changes
:
Which of the following is true about multicellular organisms?
Their cells are all exact copies
Their cells are prokaryotic
Their cells can all switch to the same cell type
Their cells can be specialized for specific functions
Answer:
Cells can be specialized for specific functions.
Explanation:
I hope that helps
Question 4 (1 point)
Why does Rachel Skinner think delivering the coronavirus vaccine will be a challenge?
b
Needles cannot be used to give people the coronavirus vaccine
It will need to be given to elderly people who have delicate skin,
The microneedle patch still needs to be tested in clinical trials.
Many people will need to be vaccinated in a short period of time,
Od
Answer:
I believe the answer is D.
Explanation:
I believe the biggest challenge will be getting everyone vaccinated and in a short period of time.
if there was no glucose available for plant and animal cells what would happen?
Answer:
Glucose is a sugar that many plants, animals and fungi use for energy. In plants, glucose is produced as a result of photosynthesis. Plants need the energy glucose provides in order to grow and reproduce. ... Without glucose, plants would not have the energy necessary to grow, reproduce or carry out cellular respiration.
Explanation:
UwU Hope I helped
Need help placing the rest of these plz.
A child is diagnosed with a rare genetic disease. Neither parent has the disease. How might the child have inherited the disorder?
Answer:
Recessive genes.
Explanation:
Both parents were likely carriers of the rare disease, but dominant traits allowed them not to be affected by it.
What does the word "mutation" mean
Answer:
A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses
Explanation:
here is!!
Answer:
The action or process of mutating.
ribose sugar is used to make nucleic acid however, it is not formed directly in photosynthesis but is formed from glucose. How does glucose form ribose?
Answer: Ribose is synthesized from glucose and other monosaccharide molecules in living cells by a process known as pentose phosphate pathway. The pentose phosphate pathway is a series of chemical reactions taking place in the cytosol of cells.
Glucose forms ribose through a series of chemical reactions, including the conversion of glucose-6-phosphate to ribose-5-phosphate.
What is ribose sugar?Ribose sugar is a five-carbon sugar molecule that is an important building block of nucleic acids, such as RNA and DNA. It is a type of carbohydrate and is structurally similar to glucose, but has a different chemical arrangement.
Ribose is synthesized in the body through a series of metabolic reactions, starting with glucose, and is also found in some natural sources such as ribose supplements. It is important for the production of energy in cells, the regulation of gene expression, and the synthesis of nucleotides.
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Does the image above follow the rules? ______________________
True or false, in a food web, the arrows point from one organism to the organism it eats?
Answer:
False
Explanation:
In a food wed the arrows point to the animal that will eat the organism, it's pointing away from
Answer:
False
I hope this helps!
Which of the following is true about RNA?
tRNA brings in an amino acid and bonds with mRNA
mRNA carries the code of rRNA to the nucleus.
mRNA is made from tRNA during transcription.
rRNA helps tRNA make a copy of the DNA gene.
Answer:
the right answer is
tRNA bonds with mRNA, bringing in amino acids.
Explanation:
Ribonucleic acid is a single-stranded structure. The true statement is tRNA brings in an amino acid and bonds with mRNA. Therefore, the correct answer is option 1.
The Transfer RNA, or tRNA, transports amino acids to the ribosomes, the cell's protein-making factories, during the synthesis of proteins. An anticodon, which is a particular set of nucleotides on each tRNA molecule, is complementary to the codon on the mRNA (messenger RNA) molecule. From the DNA in the nucleus to the ribosomes in the cytoplasm, the mRNA transports the genetic information.
The tRNA with the complementary anticodon brings in the exact amino acid that is coded by that codon when the ribosomes read the codon on the mRNA. In order for the ribosomes to assemble the amino acids into a protein chain in the proper sequence, the tRNA molecule then forms a connection with the mRNA.
Therefore, the correct answer is tRNA brings in an amino acid and bonds with mRNA, i.e. Option 1.
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3. What can you say about the general relationship of the charge of the anion to the subscript of the cation?
Answer:
Cations are positively charged ion while anions are negatively charged ions formed by loosing and gaining of electrons respectively. Transition metals are metals in the middle of the periodic table with multiple oxidation states. The charge on the transition metal is equal to the oxidation state which varies from +1 to +7. The charge of transition metal can also be determined in neutral compound as long as one knows the charge or the oxidation state of the other atom in the compound. The charge of transition can also be determined in the case of neutral complexes where the transition element has combined with other atoms to form molecular complexes that are either positively or negatively charged, e.g. MnO4-. Lastly Neutral transition metal compounds which are soluble in water have a charge of +3 or less than+3.
Cations are positively charged particles and anions are negatively charged elements.
What are cations?Anions are negatively charged ions created by losing and receiving electrons, whereas cations are positively charged ions. Transition metals are middle-of-the-periodic-table metals with a variety of oxidation states.
The oxidation state, which ranges from +1 to +7, is equivalent to the charge on the transition metal. As long as one is aware of the charge or oxidation state of the other atom in the compound, one may also determine the charge of a transition metal in a neutral compound.
When the transition element has joined with other atoms to form neutral molecular complexes that are positively or negatively charged, such as MnO4-, it is also possible to detect the charge of the transition.
Therefore, Cations are positively charged particles and anions are negatively charged elements.
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Evaluate the following argument from a Darwinian perspective: Humans are still evolving, I am a human. Therefore, I am evolving. True or False?
Answer:
True i think
Explanation: