The right answer is A. multiple alleles.
The multiallelic genes contribute to the study of polymorphism and genetic variability of individuals as well as populations.
In multi-allelic genes, individuals are differentiated by several alleles that exist in several forms.
For example: in a certain region of the genome there may be a single nucleotide polymorphism (SNP), one can find either an adenine or a guanine (bi-allelic).
B. Mitochondrial DNA is inherited through the father.
C. Mitochondrial DNA can be traced for generations.
D. Mitochondrial DNA requires large amounts for testing.
The correct answer is C
symmetrical in many ways across a central axis
presence of a head
development from three cell layers
Answer:
symmetrical in many ways across a central axis
presence of a head
Explanation:
Right!!
The answer is B and C