The
correct answer is a: genetically similar individuals who have been raised in
similar environments. <span>For
example, monozygotic twins, who share 100% of their DNA that grew up in the
same home have the highest correlation of their IQs (correlation is 0.86). </span>
During sexual reproduction, a male and female gamete will merge together to form a new organism. The two haploid cells will fuse together to form a diploid cell called a zygote.