Responses
A Each individual inherits one of each pair from each parent.Each individual inherits one of each pair from each parent.
B This karyotype represents human cells after fertilization.This karyotype represents human cells after fertilization.
C Gametes each contain a pair of chromosomes.Gametes each contain a pair of chromosomes.
D Humans reproduce via sexual reproduction.Humans reproduce via sexual reproduction.
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The response that does not correctly explain why there are pairs of chromosomes in this karyotype is:
C Gametes each contain a pair of chromosomes.
This statement is incorrect because gametes (sperm and egg cells) contain only a single set of chromosomes (haploid), not a pair. In humans, gametes have 23 chromosomes, while somatic cells (like those represented in a karyotype) have 46 chromosomes, which are arranged in 23 pairs. Each pair consists of one chromosome inherited from each parent.
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