
Genetics Quiz Review
Authored by Lauren Duchak
Biology
7th Grade
NGSS covered
Used 18+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aa is an example of a ____________________ allele.
Homozygous dominant
Homozygous recessive
Heterozygous
Phenotype
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How is it possible for an organism to have a recessive phenotype for a trait such as white flowers in pea plants?
The organism inherits the recessive allele from one parent.
The organism fails to inherit the alleles for the trait from either parent.
The organism inherits the recessive allele from both parents.
None of these
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes how you get your genes:
Mitosis- binary fission
Mitosis- budding
Mitosis- fragmentation
Meiosis- half from mom, half from dad
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following alleles is homozygous recessive?
aa
AA
Aa
aA
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A red flowered plant (RR) is crossed with a white flowered plant (WW) and produces plants with pink flowers (RW). If two pink flowered plants are crossed, what color offspring could be produced?
red, white, and pink
pink and red
pink and white
red and white
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In humans, the allele for having a widow's peak is dominant to having a straight hairline. Many people do not like the widow's peak so they shave it off. Will this affect their offspring?
No. Their offspring will have a widow's peak if they inherit both recessive alleles from the parents.
Yes. There is no chance the offspring will be born with a widow's peak because the parents destroyed the trait.
No. Shaving the widow's peak does not change their genotype, so the allele can still be passed on to offspring.
Yes. Offspring born with a widow's peak will have a smaller peak because the allele was damaged.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement MOST accurately describes the influences on a person’s length of life and quality of life?
Genes alone determine both the length and quality of life.
Behaviors alone determine both the length and quality of life.
Both behaviors and genes influence the length and quality of life.
Neither genes nor behaviors influence the length or quality of life.
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