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Mumz [18]
4 years ago
5

A. 0% B. 25% C. 50% D 75%

Biology
2 answers:
klemol [59]4 years ago
4 0

Answer:

A. 0%

Explanation:

None of the offspring are predicted to be YY (homozygous dominant)

ipn [44]4 years ago
4 0

Answer:

0%

Explanation:

The definition of homozygous dominant means:

Homozygous: both alleles have to be identical

Dominant: the gene that overrides the recessive gene, indicated by a capital letter when using a Punnet Square.

Thus, we are looking for both completely identical dominant gene, and as you can see, it does not appear in the Punnet Square. The only identical gene would be the two homozygous recessive alleles, but none of which have capital letters (none are dominant); henceforth, 0% of the offspring are predicted to be homozygous dominant.

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What are the Differences between DNA and RNA in terms of the following parameters?
damaskus [11]

Answer:

There are two differences that distinguish DNA from RNA: (a) RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and (b) RNA has the nucleobase uracil while DNA contains thymine.

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6 0
2 years ago
thermus aquaticus is found surviving well in the springs of the yellowstone national park. what quality does it posses that rend
Artist 52 [7]

Answer: A

Explanation: Because Taq polymerase came from a  thermophilic bacterium known as Thermus aquaticus found in Yellowstone National park, during PCR they should be kept at a specific temperature of 72C for maximum DNA strand replication and range of 75C-80C for optimum DNA strand replication. DONT TRUST ME  im not sure

4 0
3 years ago
What is ATP called after it loses its 3rd phosphate group?
fgiga [73]
When the terminal (third) phosphate is cut loose, ATP becomes ADP (Adenosine diphosphate; di= two), and the stored energy is released for some biological process to utilize.
4 0
3 years ago
__________identify antigens and then multiply and trigger the production of other kinds of immune cells.
solong [7]

<u>Helper t-cells</u> identify antigens and then multiply and trigger the production of other kinds of immune cells.

<h3>What are helper T-cells?</h3>

Helper T-cells are one of the main types of immune cells. They detect infections and activate other immune cells to fight the infection.

Your thymus develops helper T-cells. The thymus is a small gland in the front of your chest. The other types of T-cells include:

  • Cytotoxic T-cells, which fight infections.
  • Regulatory T-cells, which regulate or suppress other immune cells when needed.
  • NKT-cells, which can enhance immunity in general.

<h3>What are the subtypes of helper T-cells?</h3>

When helper T-cells detect an infection, they form into one of two subtypes:

  1. TH1 helper cells release a molecule that activates a type of cell called a macrophage. Macrophages are specialized cells that help eliminate foreign substances from your body. TH1 cells also activate cytotoxic T-cells.
  2. TH2 helper cells release molecules that activate B-cells. B-cells create antibodies. They also release cells that cause coughing, sneezing or diarrhea to help your body get rid of foreign substances. This group of T-cells helps generate allergy antibodies.

Learn more about helper T-cells

brainly.com/question/14902979

#SPJ4

5 0
2 years ago
What effect does a quadrupling of the mass have upon the acceleration of the object ?
Marizza181 [45]
Mass does<span> not </span>affect<span> the </span>acceleration<span> due to gravity in any measurable way. The two quantities are independent of one another. Light </span>objects<span> accelerate more slowly than heavy </span>objects<span> only when forces other than gravity are also at work. When this happens, an </span>object<span> may be falling, but it is not in free fall.

Mass does matter when pointed in a downward angle, like if you have a metal toy car racing down a large peice of wood at a downward angle. If you had a plasitic car aong side it to measure which would go faster the metal car will reach the bottom quicker, gravity weighs down things :)</span>
4 0
3 years ago
Read 2 more answers
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