A Testcross Is Performed to Determine If a Specific Individual

question 6

Multiple Choice

A testcross is performed to determine if a specific individual is a carrier.The results generate a 50/50 ratio of phenotypes.The test subject is therefore ________.

• A)heterozygous
• B)homozygous dominant
• C)homozygous recessive
• D)heterozygous dominant

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Definitions:

Apical Impulse

The point of maximum impulse felt on the chest wall during palpation, associated with the beating of the heart, often used to assess cardiac function.

Midclavicular Line

A vertical line drawn through the midpoint of the clavicle, often used as a reference in medical assessments.

Myocardial Infarction

A medical condition, commonly known as a heart attack, resulting from the interruption of blood flow to a part of the heart, causing heart cells to die.

Heart Failure

A medical condition in which the heart is unable to pump blood efficiently throughout the body, leading to symptoms such as fatigue, breathlessness, and fluid retention.