OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When sex cells combine to produce offspring, each sex cell will contribute?
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one fourth of the normal number of chromosomes
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twice the normal number of chromosomes
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the normal number of chromosomes
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half the normal number of chromosomes
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Explanation:
Detailed explanation-1: -All 46 chromosomes. No, sex cells have a half set of chromosomes. 23, one from each pair.
Detailed explanation-2: -Gametes are haploid cells. This means they contain only half the number of chromosomes found in other cells of the organism. Gametes are produced by a type of cell division called meiosis.
Detailed explanation-3: -The purpose of meiosis is to produce gametes, or sex cells. During meiosis, four daughter cells are produced, each of which are haploid (containing half as many chromosomes as the parent cell).
There is 1 question to complete.