Asperm cell is produced by spermatogenesis. in order for the sperm cell to achieve a diploid state, what must occur? a) the sperm cell must undergo meiosis. b) the sperm cell must undergo mitosis. c) the sperm cell must fertilize an egg. d) the sperm cell must divide by cleavage.

In fruit flies, gray bodies (g) are dominant over black bodies (g), and brown pigments (n) are dominant over yellow pigments (n). each individual possesses two alleles for each trait. if a fly that is homozygous dominant for both traits is crossed with a fly that is homozygous recessive for both traits, what is the predicted genotype of the offspring.

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

Why is excretion necessary to maintain homeostasis?