What are genes?
a. the observable characteristic
b. the expressed trait
c. the basic unit of inheritance
d. the measurable factor

Place the steps tor the formation of the enzyme pepsinogen in correct order

Amouse that is homozygous for the dominant trait has the genotype . it has . a mouse that is homozygous for the recessive trait has the genotype . it has . image of fur color of mice

Aboy with an extra x chromosome probably has which of the following syndromes?