Question

When the chromosomes (one from each parent) pair up during fertilization of the egg, the genes on the chromosomes align and are called:

a. autosomes
b. homzygous
c. heterozygous
d. alleles

Answer 1

alleles

Step-by-step explanation:

• This process turns as meiosis
• Alleles from both parent chromosomes pair up during fertilisation of egg.
• At last they turns down into haploid

Answer 2

Answer is going to be D. alleles