Genetics Probability

Quiz
•
Science
•
7th Grade
•
Hard
+1
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The gene for round peas (R) in a pea plant is dominant over the gene for wrinkled peas (r). In a cross between one heterozygous parent and one homozygous wrinkled pea parent, we can predict that what percentage of the offspring will have round peas?
100%
50%
75%
25%
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
NGSS.HS-LS4-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The gene for tallness (T) in a pea plant is dominant over the gene for shortness (t). In a cross between two heterozygous parent pea plants, we can predict that what percentage of the offspring will be tall?
100%
50%
75%
25%
Tags
NGSS.HS-LS3-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In mice, agouti coloration (A) is a dominant trait for fur color over black fur (a). A Punnett square diagram is provided. A particular generation of offspring has a ratio of three agouti individuals to one black individual. Which of the following genotype combinations is possible for the parent generation?
aa x aa
AA x Aa
Aa x Aa
AA x AA
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a certain breed of dogs, brown fur (B) is a dominant trait over yellow fur (b). Gregory owns a brown female. She produced a litter of offspring that includes two brown and two yellow puppies. The only thing Gregory knows about the male is that he was of the same breed. Which of the following represents the genotype combinations that are possible for Gregory’s dog and the father of this litter of puppies?
Mother = BB x Father = bb
Mother = BB x Father = Bb
Mother = Bb x Father = Bb
Mother = Bb x Father = bb
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Females-XX; MalesXY. A couple has 4 girls. What is the chance the next child will be a boy? (S7L3. a)
75%
100%
25%
50%
Tags
NGSS.HS-LS3-3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Females-XX; MalesXY. A couple has 4 girls. What is the chance the next child will be a boy?
75%
100%
25%
50%
Tags
NGSS.HS-LS3-3
7.
DROPDOWN QUESTION
1 min • 1 pt
The passing of genes from parents to offspring (a)
heredity
Punnett Square
probability
genetics
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
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