Answer:
An allele is a viable DNA (deoxyribonucleic acid) coding that occupies a given locus on a chromosome. Usually alleles are sequences that code for a gene, but sometimes the term is used to refer to a non-gene sequence. An individual's genotype for that gene is the set of alleles it happens to possess.
Increased frequency of homozygous genotypes
The answer to this question is :B
Well I guess that through all these 3 main elements we can identify the origins of someone and their identity
I mean I think that what is in common amongst these three is that they are identical to the person