Punnett Squares

Flashcard
•
Science
•
8th Grade
•
Hard
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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 particular cross or breeding experiment.
2.
FLASHCARD QUESTION
Front
What does homozygous dominant mean?
Back
Homozygous dominant refers to having two identical dominant alleles for a trait, represented as 'AA'.
3.
FLASHCARD QUESTION
Front
What does homozygous recessive mean?
Back
Homozygous recessive refers to having two identical recessive alleles for a trait, represented as 'aa'.
4.
FLASHCARD QUESTION
Front
What is a heterozygous genotype?
Back
A heterozygous genotype has two different alleles for a trait, represented as 'Aa'.
5.
FLASHCARD QUESTION
Front
If a Punnett Square shows a 50% chance of homozygous dominant offspring, what does this mean?
Back
It means that out of four possible offspring, two are expected to have the homozygous dominant genotype.
6.
FLASHCARD QUESTION
Front
What is the genotype of an organism with the alleles 'XX'?
Back
The genotype 'XX' is homozygous dominant.
7.
FLASHCARD QUESTION
Front
What is the genotype of an organism with the alleles 'dd'?
Back
The genotype 'dd' is homozygous recessive.
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