Genetics: Punnett Squares and Likelihood
Authored by Elizabeth Blankenship
Science
8th Grade
NGSS covered
Used 236+ times
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10 questions
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1.
MATCH QUESTION
5 mins • 1 pt
Having a Widow's Peak is dominant (P) over not (p). If parent A (PP) and parent B (pp) have a child, what is the likelihood that--
Pp
The child will have a widow's peak
100%
The genotype of these children
0%
The child will not have a widow's peak
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
2.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Webbed fingers (F) are dominant over nonwebbed fingers (f). If parent A (Ff) and parent B (Ff) have children, which of the following are true? Select the correct Genotype and Phenotype outcomes.
Phenotypes: 75% chance of having webbed fingers and 25% chance of not.
Phenotypes: 100% chance of having webbed fingers and 0% chance of not.
Phenotypes: 25% chance of having webbed fingers and 75% chance of not
Genotypes: FF 25%, Ff 50%, ff 25%
Genotypes: FF 75%, Ff 50%, ff 25%
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
NGSS.HS-LS3-3
3.
CATEGORIZE QUESTION
3 mins • 1 pt
For a certain plant: G = green, g = yellow
Groups:
(a) Plant will be green
,
(b) Plant will be yellow
GG
gg
Gg
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Brown eyes (B) tend to be dominant whereas blue eyes (b) tend to be recessive. Parents with heterozygous genes want to know: what is the likelihood of them having a child with blue eyes?
0%
25%
75%
100%
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
NGSS.HS-LS3-3
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Two heterozygous (Tt) tall pea plants are crossed. Tall (T) is dominant. Short (t) is recessive. Which is the likelihood of each phenotype?
50% tall and 50% short
75% tall and 25% short
100% short
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following would complete this Punnett Square?
aa
AA
Aa
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Brown eyes are dominant (B) to blue (b). If Parent A (bb) and Parent B (Bb) have a child, what is the likelihood that the child will have brown eyes?
25%
50%
75%
100%
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
NGSS.HS-LS3-3
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