AnswersCV Q4 MJ Science 3 Adv 2002110 Compacted Review of Grade.7.Life for SSA PrepDNA Mutations

Introduction to Heredity Answers

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1
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What does an organism's genotype describe?

A
the allele combination for a trait
B
the physical appearance of a trait
C
the number of alleles on a gene
D
the number of different traits inherited
2
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A rose plant inherited two alleles for white flower petals.Which conclusion is best supported by the given information?

A
Each parent had at least one allele for white petals.
B
Each parent must have had more than one allele for white petals.
C
Only one parent had one allele for white petals.
D
Only one parent had two alleles for white petals.
3

The diagram shows a chromosome pair for an offspring.

Question illustration
A
An allele for eye color was inherited from only one parent.
B
An allele for hair type was inherited from only one parent.
C
The offspring is homozygous for eye color.
D
The offspring is homozygous for hair type.
4

AllelesGeneticsGenerationsExperiments

A
Alleles
B
Genetics
C
Generations
D
Experiments
5

Question text not available

Answer not available
6

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.
7

Which is an example of an inherited trait?

A
knowing how to add
B
building muscle tone
C
becoming a piano player
D
having a round face
8

Which describes a concept that was not previously known but was developed as a direct result of Mendel’s experiments with pea plants?

A
Organisms with a recessive trait can have a dominant allele for the trait.
B
All observable traits are dominant.
C
Organisms have more than one observable trait.
D
Organisms can be bred for specific traits based on a pattern of inheritance.
9

hereditydominancecell divisionbirth

A
heredity
B
dominance
C
cell division
D
birth
10

Mendel studied "factors" that allowed for physical characteristics, which can have alternate versions, to be passed onto offspring. What are these factors called?

A
plants
B
traits
C
alleles
D
phenotypes

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