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lara [203]
3 years ago
8

If an individual has trisomy resulting in Down syndrome and has an extra chromosome in each cell, what mutation must have occurr

ed?
A. A nondisjunction mutation in the gamete of one of the parents
B. A nondisjunction in both gametes of the parents
C. A nondisjunction in one of the first gamete cells of the individual
D. A nondisjunction mutation in body cells of both parents
Biology
1 answer:
MariettaO [177]3 years ago
7 0

Answer:

if  An individual has an extra chromosome in every one of its cells, the mutation that must have occurred is A non-disjunction mutation in the gamete of one of the parents

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Who mandates that employers of emergency responders must take certain measures to protect employees who are likely to be exposed
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The complete question is as follows:

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3 0
3 years ago
Which group is a list of blood types?
Nitella [24]
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3 0
3 years ago
Read 2 more answers
Crossing over occurs during which phase of meiosis
grandymaker [24]

prophase

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Hope it helps!

4 0
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katen-ka-za [31]

The correct answer is: the mother cell is diploid, but the products of the first division are haploid.

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•  meiosis II – Separation of sister chromatids.

7 0
3 years ago
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