Carbon dioxide emissions cause ocean acidification. Ocean acidification reduces coral growth. If ocean acidification continues, corals may become extinct. This is an example of a/an type of cause of extinction. A)
population risk
B)
environmental risk
C)
natural catastrophe
D)
genetic risk

Codominance is when alleles have the same amount of dominance and both are expressed in a heterozygous individual(ab blood type, roan cow). in a heterozygote with incomplete dominance, the phenotype seen is an intermediate of the dominant and recessive phenotype.(pink flowers when the dominant form is red snd recessive form is white)