Genetics Practice Problems
Presentation
•
Science
•
9th - 11th Grade
•
Practice Problem
•
Easy
+1
Standards-aligned
Makenzie Hullinger
Used 8+ times
FREE Resource
1 Slide • 19 Questions
1
Some text here about the topic of discussion
2
Draw
Draw a Punnett square showing a cross between the blue-eyed man and a brown eyed woman whose father has blue eyes. (remember brown is completely dominant to blue)
3
Fill in the Blanks
Based on your Punnett Square,
Type answer...
4
Open Ended
Explain the difference between incomplete dominance and codominant.
5
Multiple Choice
In some chickens, the gene for feather color is controlled by codominance. The allele for black is B and the allele for white is W. The heterozygous phenotype is known as erminette.
What is the genotype for black chickens?
Black
BB
BW
WW
6
Multiple Choice
In some chickens, the gene for feather color is controlled by codominance. The allele for black is B and the allele for white is W. The heterozygous phenotype is known as erminette.
What is the genotype for white chickens?
White
BB
BW
WW
7
Multiple Choice
In some chickens, the gene for feather color is controlled by codominance. The allele for black is B and the allele for white is W. The heterozygous phenotype is known as erminette.
What is the genotype for erminette chickens?
Erminette
BB
BW
WW
8
Draw
Draw a Punnett Square the shows the cross between two Erminette chickens.
9
Match
Based on the Punnett square showing the cross between two erminette chickens, Match the following
Probability offspring will be black
Probability offspring will be Erminette
Probability offspring will be white
25%
50%
25%
25%
50%
25%
10
Fill in the Blanks
A black chicken and a white chicken are crossed. What is the probability that they will have erminette chicks?
Type answer...
11
Match
In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red(R) and white(r). The heterozygous genotype is expressed as pink. Match each genotype with its correct phenotype.
RR
Rr
rr
Red
Pink
White
Red
Pink
White
12
Draw
Draw a Punnett Square showing the cross between a pink flower and a white flowered plant.
13
Multiple Choice
A pink flower is crossed with a white flowered plant. What is the probability of producing a pink flowered plant?
0%
25%
50%
100%
14
Draw
What cross will produce the most pink flowered plants? Show the Punnett square to support your answer.
15
Match
Blood type: Match the following genotypes to the correct phenotypes
ii
Ai, AA
BB, Bi
AB
Type O
Type A
Type B
Type AB
Type O
Type A
Type B
Type AB
16
Draw
Draw a Punnett Square to show this cross: a mother who has O blood type with a male that has homozygous A blood type.
17
Open Ended
Cross a mother who has O blood type with a male that has homozygous A blood type. What is the genotype and phenotype of the offspring?
18
Open Ended
What are the possible blood types of a child whose parents are both heterozygous for Type B blood?
19
Draw
Draw a Punnett Square to show a cross between mother who is a carrier of colorblindness with a father who has colorblindness.
20
Multiple Choice
What percentage of the MALE offspring are expected to be colorblind?
100%
50%
0%
Some text here about the topic of discussion
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