AnswersFL-2000310-Biology 1 Sem 1 - FlexIntroduction to Genetics

Introduction to Genetics Answers

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Why did Gregor Mendel use peas in his experiments?

A
Peas grow very slowly.
B
Pea reproduction cannot be controlled.
C
Peas normally produce very few offspring.
D
Peas have characteristics that have two forms.
2
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Which is the best example of a hypothesis leading to new experimental methods?

A
Gregor Mendel influenced the development of the theory that everything is made of cells.
B
Gregor Mendel continued the genetic research of Thomas Hunt Morgan, but Mendel used pea plants.
C
Thomas Hunt Morgan continued the genetic research of Gregor Mendel, but Morgan used fruit flies.
D
The theory that everything is made of cells influenced Gregor Mendel in his research.
3

Gregor Mendel’s research formed the basis of the field of

A
genetics.
B
dominance.
C
recessiveness.
D
selective breeding.
4

Which has the most control of traits and inheritance?

A
gametes
B
nucleic acids
C
amino acids
D
proteins
5

The table below summarizes the traits that Mendel examined during his experiments.Traits Studied by MendelWhat do these characteristics all have in common?

Question illustration
A
They are all dominant.
B
They can all be easily observed.
C
They are all recessive.
D
They can all be applied to other plants.
6

What controls traits and inheritance?

A
gametes
B
nucleic acids
C
proteins
D
temperature
7

What is a gene?

A
a section of a protein that codes for DNA
B
the alternate version of a trait
C
the visible trait in the F1 generation
D
a section of DNA that codes for a specific trait
8

Which statement describes Mendel’s hypotheses regarding gametes?

A
A gamete carries two genes for a trait.
B
A gamete carries one allele for a gene.
C
A gamete can carry multiple alleles for a trait.
D
Some gametes are dominant and some are recessive.
9

What alternate form of genes do nucleic acids have that allows them to offer variability?

A
allele
B
codon
C
nucleotide
D
chromosome
10

Some people have freckles, and some people do not have freckles. If a child has freckles, at least one parent has freckles. However, the child may have a sibling that does not have freckles. Which statement best describes the presence of freckles?

A
Freckles are not determined by DNA.
B
There are two alleles for freckles.
C
There is no dominant allele for freckles.
D
Freckles are determined by two genes instead of by one.

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