This law states an organism has two different alleles for a trait and the allele that is expressed in the phenotype, masking the expression of the other allele,is said to be dominant. The allele whose expression is masked is said to be recessive.
There may be a shortage of clean drinking water in the future
Gene flow — also called migration — is any movement of individuals, and/or the genetic material they carry, from one population to another. Gene flow includes lots of different kinds of events, such as pollen being blown to a new destination or people moving to new cities or countries.
Answer:codominance
Explanation:codominance inheritance is when both alleles of a heterozygous gene pair have full phenotypic expression. A good example is the human blood group; people with ABO blood group type AB blood have one allele for A and one for B both expressed.