Punnett Square Practice
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a Punnett Square?
Back
A Punnett Square is a diagram used to predict the genetic makeup of offspring from a cross between two parents.
2.
FLASHCARD QUESTION
Front
What does homozygous mean?
Back
Homozygous refers to having two identical alleles for a particular gene, either dominant or recessive.
3.
FLASHCARD QUESTION
Front
What does heterozygous mean?
Back
Heterozygous refers to having two different alleles for a particular gene, one dominant and one recessive.
4.
FLASHCARD QUESTION
Front
What is the probability of an offspring being homozygous dominant if both parents are heterozygous?
Back
25%.
5.
FLASHCARD QUESTION
Front
What is the probability of an offspring being homozygous recessive if both parents are heterozygous?
Back
25%.
6.
FLASHCARD QUESTION
Front
If one parent is homozygous dominant and the other is homozygous recessive, what is the chance of offspring being heterozygous?
Back
100%.
7.
FLASHCARD QUESTION
Front
What is the chance that the offspring will have a recessive trait if both parents are heterozygous?
Back
25%.
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