If a black circle represents a mother with the homozygous recessive genotype, what is the father’s genotype?
A. The parents both have the same genetic structure.
B. The parents are both heterozygous for the expressed genes.
C. The father is heterozygous for the trait
D. The offspring are all different from the parents.

what's the question?

well, you see. the answer to your question is quite simple. the thing that is big, powerful, and over 9,000 is your mom.

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.