You Are Studying Two Different Mutant Fish Lines (A and

question 50

Essay

You are studying two different mutant fish lines (A and
B). You suspect that both have mutations that cause nondisjunction for a particular chromosome, which when aneuploid results in an altered egg phenotype. You notice that all of the eggs from the A mutants have the altered phenotype. In contrast, only half the eggs laid by B mutants have the altered phenotype. If you are right and the mutants are suffering nondisjunction during meiosis, what could explain the frequency difference in egg phenotype?

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Definitions:

Back Strain

An injury to the muscles or tendons in the back due to overstretching or tearing.

Hypoglycemia

Low blood sugar.

Insulin Shock

A severe form of hypoglycemia caused by an excess of insulin in the bloodstream, leading to symptoms like confusion, tremors, and in severe cases, coma.

Splint

A device used to immobilize and protect a body part.