Two Gametes,each Carrying a Mutant Recessive Allele for a Different

question 9

Multiple Choice

Two gametes,each carrying a mutant recessive allele for a different gene/enzyme in the adenine biosynthetic pathway,come together to form a diploid embryo.The individual derived from this embryo will display a:

• A)lethal phenotype in media lacking adenine supplementation.
• B)wild-type phenotype,capable of synthesizing adenine.
• C)a weak adenine requirement for survival (intermediate phenotype).
• D)a profound defect in adenine synthesis as two enzymes are missing.
• E)embryonic lethality.

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Definitions:

Neutrophils

A type of white blood cell that plays a key role in the immune system by engulfing and destroying pathogens.

Bacterial Infections

Infections caused by bacteria, which can affect almost any area of the human body.

Connective Tissue

A type of tissue found throughout the body, providing support, binding together, and protecting organs and other tissues.

Lymphocyte

A type of white blood cell that plays a significant role in the immune response by recognizing and fighting infection and disease.