What is a germ cell line? How do germ cells pass from one generation to the next? Explain how a spermatogonium, containing a diploid number of chromosomes, develops into four functional sperm, each...

What is a germ cell line? How do germ cells pass from one

generation to the next?

Explain how a spermatogonium, containing a diploid number

of chromosomes, develops into four functional sperm, each

containing a haploid number of chromosomes. In what

signifi cant way(s) does oogenesis differ from spermatogenesis?

Defi ne, and distinguish among, the terms oviparous,

ovoviviparous, and viviparous.