AnswersLPS CR - Biology - ALab: Mouse Genetics (One Trait)

Lab: Mouse Genetics (One Trait) — Unit test Answers

24 verified answers
21
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In the F2 generation of Mendel’s crosses,

A
all plants had the dominant trait.
B
half of the plants had the dominant allele.
C
all plants had both the dominant and recessive alleles.
D
one in four plants had two alleles for the recessive trait.
22
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In peas, yellow seed color (Y) is dominant to green seed color (y). A homozygous green seed pea plant is crossed with a heterozygous yellow seed pea plant. What is the predicted phenotypic ratio of the offspring based on seed color?

A
50 percent yellow, 50 percent green
B
50 percent YY, 50 percent yy
C
100 percent yellow, 0 percent green
D
100 percent Yy, 0 percent yy
23

If a person has type B blood, which statement describes the antibodies present in his or her blood?

A
Only anti-A antibodies are present.
B
Only anti-B antibodies are present.
C
Both anti-A and anti-B antibodies are present.
D
Neither anti-A nor anti-B antibodies are present.
24

Mary has type A blood. Her son Bill has type AB blood. Which blood type does Bill's dad have if he is homogenous for blood type?

A
A
B
B
C
AB
D
O
25

Which type of scientific statement is defined as "a possible explanation or answer to a scientific question that is based on prior knowledge or research and is testable"?

A
hypothesis
B
theory
C
law
D
probability

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