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15 Cards in this Set

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Gonads/Gametes
Testes and ovaries/ Sperm and eggs.
The process by which sperm and egg are created is called _______
Meiosis
Homologous chromosomes
Chromosomes that code for the same trait.
Tetrad
Chromosome with homologous partner lined up side by side.
Crossing over
Genetic information is exchanged when tetrads form.
Spermatogenesis
Production of sperm (process through which meiosis occurs to form sperm)
Spermiogenesis
Process through which sperm is formed from spermatids (undergo changes, loses cytoplasm, gains flagella, and acrosome.)
What results at the end of Meiosis II in post-pubertal male?
4 spermatozoa
Spermatogenesis begins with _____
spermatogonia (diploid--replenish themselves by mitosis)
When does oogenesis begin?
In the third prenatal month.
At the end of meiosis I, are the resulting cells diploid or haploid?
Haploid
How many eggs result at the end of meiosis in the female?
One egg--it remains in metaphase II until fertilized.
What phase of meiosis does the female egg remain in until fertilized?
Metaphase II
In males, meiosis begins with one ____ and ends with four ____.
Spermatogonia/ spermatids.
Meiosis is the development of a _____ to a _____, while spermiogenesis is the development of a ______ to a ______.
spermatogonia to spermatid/ spermatid to sperm.