Multiple Choice
How are asexual reproduction and sexual reproduction different in terms of genetic diversity?
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12. Meiosis
Life Cycle of Sexual Reproducers
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In humans, how many chromosomes are inherited from each parent during sexual reproduction?
A
12 chromosomes
B
23 chromosomes
C
24 chromosomes
D
46 chromosomes
Verified step by step guidance1
Understand that humans have a total of 46 chromosomes in their somatic cells, which are organized into 23 pairs.
Recognize that during sexual reproduction, each parent contributes half of these chromosomes to the offspring.
Learn that the process of meiosis is responsible for reducing the chromosome number by half in gametes (sperm and egg cells), resulting in 23 chromosomes in each gamete.
Realize that when fertilization occurs, the sperm and egg combine to form a zygote, restoring the total chromosome number to 46.
Conclude that each parent contributes 23 chromosomes to the offspring, making up the 46 chromosomes in the zygote.
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