A Culture of

question 38

Multiple Choice

A culture of

• A) Physiological adaptation theory
• B) Random mutation theory
• C) Both theories
• D) Neither theory
• E)coli bacteria is used to establish several subcultures.Each subculture is then plated and individulal colonies that grow on the agar plates are then tested for their sensitivity to the bacteriophage T1. There is a spectrum of sensitivities where some plates have a high number of resistant colonies and some plates had very few. This data supports which theory?

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Definitions:

Chorionic Villus Sampling

A prenatal test in which a sample of chorionic villi from the placenta is removed and tested for genetic abnormalities.

Noninvasive Prenatal Testing

A method to screen for certain genetic conditions in a fetus using maternal blood sample without risk to the fetus.

Ultrasound

A medical imaging technique that uses high-frequency sound waves to produce images of structures within the body, commonly used in prenatal care.

Heritability

A measure of how much of the variation in a trait among individuals within a population can be attributed to genetic differences.