Having a dimple on your chin is determined by a single gene pair. If you inherited one dimple gene and one non-dimple gene from your parents, you could be described as ____________ for this trait
A) heterozygous
B) homozygous
C) phenotypical
D) genotypical
Answer: A
Rationale: Genes come in pairs, one inherited from each parent, aligned along the chromosomes. If two corresponding genes at a given location on a pair of chromosomes are the same, they are referred to as homozygous. If the two genes differ they are heterozygous.
You might also like to view...
The modern Olympic games were designed, in part, as an attempt to have nations compete and act out their aggression towards each other in a controlled, sporting environment. It was therefore an attempt to apply the Freudian principle of
a. projection. b. catharsis. c. displacement. d. denial.
Tommy writes a behavioral contract with his parents which states he can go to a movie on weekends if he completes his school assignments. During the week Tommy tells himself, "Do your assignments so you can go to a movie on the weekend.". When Tommy makes this statement, it cues him to do his assignments. This is an example of ____________ behavior
a. self-directed b. rule-governed c. guided d. functional