If one species (2n=10) crosses with another species (2n=18), producing an allopolyploid offspring, what is the ploidy of the offspring?a. 2n=10b. 2n=18c. 2n=10+18=28d. 4n=36 +20=56

Alternate forms of the same gene are called:

a) Chromatids.

b) Centromeres.

c) Chromosomes.

d) Alleles.

A cell that has 2 copies of each chromosome is called a __________ cell:

a) Sperm.

b) Diploid.

c) Haploid.

d) Gamete.

All human cells, except sex cells, are diploid and have 23 pairs of chromosomes. Human sex cells, such as egg and sperm, are haploid and have _______ chromosomes.

a) 23

b) 12

c) 11.5

d) 46