Recessive Genes Are Usually Expressed in Humans Only When

question 50

Multiple Choice

Recessive genes are usually expressed in humans only when .

• A) they are coding for genetic diseases
• B) they are coding for skin color
• C) both alleles are exactly the same, or homozygous
• D) the organism is in the embryonic stage

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Definitions:

Population Growth

An increase in the number of individuals in a population, often measured by the birth rate minus the death rate plus net migration.

Thomas Malthus

An 18th-century British economist and demographer renowned for his theory that population growth would eventually outstrip food supply, leading to societal distress.

Fertility Rates

Fertility rates describe the average number of children born to a woman over her lifetime within a population.

Modern Medicine

The practice of medicine based on the application of scientific knowledge, technology, and research to prevent, diagnose, and treat diseases.