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mrs_skeptik [129]
3 years ago
15

What is clonal selection?

Biology
1 answer:
Mars2501 [29]3 years ago
6 0

Answer:

Clonal selection can be defined as methods or processes that shows(describes) tthe way  lymphocytes  do react or  respond to the various different types of antigens present in a particular body. Clonal selection is of the notion that  lymphocytes are taken during antigen presentation .

Explanation:

Clonal selection is important as it is  sometimes used during negative selection during T cell maturation. it is believe to be a major cause mutations of antigen-binding affinity in memory cells during clonal expansion .

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Answer:

Codominant-  traits don’t have a clear dominant or recessive

incomplete dominance-  the heterozygous condition shows a “blending” or a “middle” condition

Explanation:

In codominance, the traits are expressed equally in the phenotype thus they don't have a clear dominant or recessive state. For example the ABO blood group alleles. The alleles A and B are codominant each being expressed equally.

In incomplete dominance the traits show intermediate expression where one allele expresses itself more strongly than the other. An example in man is seen in the inheritance of the disease sickle cell anaemia. Heterozygote who carry the sickle cell gene are said to have sickle cell trait and as such the carrier allele (HBa) has a stronger influence on the phenotype than the dominant alle (HBs).

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Answer:

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