4
QuizMultiple Choice

Laws of Inheritance

Question 4 • FL-2000310-Biology 1 Sem 1 - Flex

What is a gene?

Answer
A
the different forms of a trait
B
a segment of DNA that is the basic unit of heredity
C
the appearance or characteristics that are seen in an organism
D
an organism's allele combination

Explanation

A gene is a segment of DNA that carries hereditary information and helps determine a trait. The different forms of a trait are variations, an organism’s visible characteristics are its phenotype, and its allele combination is its genotype. Therefore, the correct choice is “a segment of DNA that is the basic unit of heredity.”

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