Multiple Choice
In human oogenesis (basics of meiotic genetics), when do oogonia primarily undergo mitosis to increase their number?
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17. Meiosis and Sexual Reproduction
Basics of Meiotic Genetics
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In human sexual reproduction, what does a sperm cell contribute to the embryo at fertilization?
A
A haploid set of paternal chromosomes (one set of nuclear DNA).
B
A fully formed centrosome and all embryonic mitochondria inherited exclusively from the father.
C
Two complete sets of chromosomes, making the embryo immediately diploid without contribution from the egg.
D
Most of the embryo’s cytoplasm, organelles, and mitochondria.
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