In general, what is the ploidy (n) state of human cells?

AHaploid except for zygotes

BDiploid early in life, becoming haploid with age

CHaploid early in life, becoming diploid with age

DDiploid in females, haploid in males

EDiploid except for gametes

Which of the following statements about parthenogenesis is correct?A. Parthenogenesis is only observed in invertebrates.

AParthenogenesis is only observed in invertebrates.

BParthenogenetic species are typically all male.

CIn parthenogenesis, courtship is absent because only one sex is involved in reproduction.

DIn parthenogenesis, males and females each contribute half of the genetic material for the next generation.

ESometimes a parthenogenetically produced egg may double in chromosome number to produce a "zygote."