Humans Have a Gene,"T," That Is Involved in Muscle Formation

question 2

Multiple Choice

Humans have a gene,"T," that is involved in muscle formation of the tongue.Individuals with the one allele can roll their tongues,while individuals with the other allele cannot.If both parents can roll their tongues,but their child cannot,what can be said about the mode of inheritance?

• A)Tongue rolling is dominant.
• B)Tongue rolling is recessive.
• C)The parents were both homozygous,but the child was heterozygous.
• D)Tongue rolling is dominant,and both parents were heterozygous (Tt).
• E)Tongue rolling is recessive,and both parents were heterozygous (Tt).

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Definitions:

Growth Factors

Naturally occurring substances capable of stimulating cellular growth, proliferation, and differentiation.

Cell Cycle

The series of events that take place in a cell, leading to its division and duplication.

Cell Cycle

The series of events that take place in a cell leading to its division and duplication, including interphase and mitotic phase.

Sequence

An ordered list or arrangement of objects or events that follow a specific pattern or order.