Holding it from the bottom
Since a common noun is the opposite of a proper........you cant really change it to a common because it is not a common noun and will never be.Period.
They is the answer for the space
Answer:
b.
Explanation:
Fixed alleles in humans are alleles for which all humans are homozygous. Obviously, many human characteristics are not fixed.
What do fixed alleles mean?
An allele for which all members of the population under study are homozygous, such that no other alleles exist for that locus in the population.
