AnswersFL-2002070-MJ Comprehensive Science 2Lab: Heredity and Punnett Squares

Lab: Heredity and Punnett Squares — Unit test Answers

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A bean plant is heterozygous for seed shape. Its seeds are smooth.Which conclusion is best supported by the information?

A
Having smooth seeds is a recessive trait.
B
Having smooth seeds is a dominant trait.
C
Both parents had a recessive allele for seed shape.
D
Neither parent had a recessive allele for seed shape.
22
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cellsribosomesamino acids

A
cells
B
ribosomes
C
amino acids
23

What causes the differences in physical characteristics like hair color among people?

d
different versions of genes
v
variations in DNA length
d
different numbers of chromosomes
v
variations in cell nucleus size
24

Which is the best example of a genetic mutation in plants?

A
a plant's leaves turn green after being watered
B
a plant develops resistance to a new disease
C
a plant grows taller after being potted in a bigger container
D
a plant displays the same flower color as its parents
25

Two Andalusian chickens are crossed to produce offspring. One parent has black feathers, and the other parent has white feathers. In this type of chicken, feather color is a trait that exhibits incomplete dominance.Which statement is most likely correct about the offspring?

A
All the chicks will have both black and white feathers.
B
Some chicks will have only black feathers and others will have only gray feathers.
C
All the chicks will have only black feathers.
D
All the chicks will have only gray feathers.

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