A nondisjunction in meiosis I would result in generation of:

A - Two normal and two abnormal gametes

B - One normal and three abnormal gametes

C - One abnormal and one normal gametes

D - Four abnormal gametes

Question

Biology

Burns

21 March, 02:43

A nondisjunction in meiosis I would result in generation of:

A - Two normal and two abnormal gametes

B - One normal and three abnormal gametes

C - One abnormal and one normal gametes

D - Four abnormal gametes

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Answers (1)

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Desirae Spencer · Answer 1

Answer: option D - Four abnormal gametes

Explanation:

Nondisjunction occurs in the Anaphase phase of Meiosis I. It happens that at least ONE pair of homologous chromosomes FAIL to separate, resulting in two daughter cells having an EXTRA copy of one chromosome (e. g XXY) and two cells that are missing that chromosome (e. g XO).

Thus, Nondisjunction results in Four (4) abnormal gametes

A nondisjunction in meiosis I would result in generation of:A - Two normal and two abnormal gametesB - One normal and three abnormal gametesC - One abnormal and one normal gametesD - Four abnormal gametes

A nondisjunction in meiosis I would result in generation of:

A - Two normal and two abnormal gametes

B - One normal and three abnormal gametes

C - One abnormal and one normal gametes

D - Four abnormal gametes