The Ability to Roll the Tongue Is Caused by a Dominant

question 57

Multiple Choice

The ability to roll the tongue is caused by a dominant allele. A woman is a "roller," but one of her parents is not. What is the woman's genotype?

• A) homozygous dominant
• B) heterozygous
• C) homozygous recessive
• D) either homozygous recessive or homozygous dominant
• E) It cannot be determined from this information.

---

Definitions:

Heart Rate

Heart rate is the number of heartbeats per unit of time, typically expressed as beats per minute (BPM), indicating cardiovascular health and efficiency.

Body Temperature

The measure of the body's ability to generate and get rid of heat, critical for maintaining metabolic processes.

Heart Rate

The rate at which the heart beats within a specific time period, often indicated in beats per minute (bpm).

Starling Law

A principle in physiology stating that the force of the heart's contraction is directly proportional to its initial length, influencing the stroke volume.