Genetics

Quiz
•
Science
•
7th Grade
•
Hard
+1
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If A is dominant and represents tall, how many off spring would be short?
1
2
3
4
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Black fur(B) in guinea pigs is dominant over white fur(b). Find the probability of a white offspring in a cross between two heterozygous guinea pigs.
0%
25%
50%
75%
100%
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
NGSS.HS-LS3-3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the genotype for a trait BB represent?
Each letter represents the dominant allele inherited from each parent.
Both letters represent the dominant allele inherited from the mother.
Both letters represent the recessive allele inherited from the father.
Each letter represents the recessive allele inherited from each parent.
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Brown fur (B) is dominant to white fur (b) in rabbits. Which genotype would result from two parents that are homozygous for brown fur?
BB
Bb
b
B
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table lists the characteristics of a pea plant and its offspring.
Which statement is true about the characteristics of the pea plant?
The allele r is dominant over allele R.
The allele a is dominant over allele A.
Both the alleles R and A are dominant in nature.
Both the alleles R and a are dominant in nature.
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
6.
MULTIPLE CHOICE QUESTION
1 min • 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 inherits the recessive allele from both parents.
The organism fails to inherit the alleles for the trait from either parent.
The organism acquires the trait from the environment.
Tags
NGSS.HS-LS3-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does it mean if a trait is dominant?
If the trait is present, then the trait is always expressed.
If the trait is present, then the trait is never expressed.
If the trait is absent, then the organism will not survive.
If the trait is absent, then the organism will survive.
Tags
NGSS.HS-LS3-1
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