If the Characteristic Followed in the Pedigree Is Autosomal Recessive

question 63

Multiple Choice

If the characteristic followed in the pedigree is autosomal recessive, what is III-1's genotype?

• A)Either homozygous dominant or heterozygous
• B)Definitely heterozygous
• C)Definitely homozygous dominant
• D)Must be homozygous recessive
• E)Homozygous dominant since he is a male but a female would be heterozygous

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Definitions:

Circulation Loss

The reduction or stoppage of blood flow to a particular part of the body, potentially leading to health complications.

Signal-Detection

The theory and method of differentiating between information-bearing patterns and random patterns that distract from the information.

Fechner's Law

A principle describing the logarithmic relationship between stimulus magnitude and perceptual intensity, suggesting that sensation increases as the logarithm of the stimulus intensity.

Weber's Law

A principle stating that the smallest perceptible change in a stimulus, or the just noticeable difference, is a constant proportion of the original stimulus.