AnswersBiology A The Living Earth AUnit Test

Unit Test — Unit test Answers

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What basic unit of heredity is found on segments of DNA and are passed on from parent to offspring?

A
nucleotide
B
gene
C
phosphate molecule
D
deoxyribose sugar
22
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Which type of mutation occurs only in reproductive cells?

A
somatic mutation
B
germline mutation
C
point mutation
D
frameshift mutation
23

Which discovery did Gregor Mendel make?

A
Traits are inherited independently of each other.
B
Traits are inherited as a tetrad.
C
Traits are inherited as homologous pairs.
D
Traits are inherited as a set, from one parent.
24

Organisms inherit specific traits and characteristics from their parents. Albinism is an inherited disorder that occurs when an organism is unable to produce or distribute melanin. Melanin is a substance in the body that helps determine skin color, hair color, and eye color.Which is the basic unit of heredity that carries the trait of albinism from parent to offspring?

Question illustration
A
base pairs
B
genes
C
proteins
D
codons
25

What is one benefit of mapping the human genome?

A
locating the chromosomal abnormalities that cause disease
B
having the genomes of every living individual on file
C
choosing the gender or intellectual ability of an unborn child
D
cloning the individuals that comprise a nearly extinct tribe

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