The Gene That Codes for Characteristic X Has Two Alleles

question 50

Multiple Choice

The gene that codes for characteristic X has two alleles. Allele D is dominant, and allele r is recessive. If the father is homozygous for trait X with allele r and the mother is heterozygous for trait X, the chance that one of their offspring will exhibit form r for trait X is _____.

• A) 0%
• B) 25%
• C) 50%
• D) 75%

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Definitions:

Liver Cancer

A type of cancer that starts in the liver, characterized by uncontrolled cell growth in the liver tissue.

Contracting Pneumonia

The act of acquiring pneumonia, an infection that inflames the air sacs in one or both lungs, which can be caused by various organisms including bacteria, viruses, and fungi.

Teenage Pregnancies

Pregnancies occurring in individuals typically aged 13 to 19, often associated with various social, economic, and health challenges.

Adolescent Pregnancy

Pregnancy occurring in a female who is in her teenage years, often raising health, social, and economic concerns.