What does a Punnett Square represent in genetics?
Punnett Square

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•
Biology, Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A Punnett Square is a diagram used to predict the genotypes and phenotypes of offspring from a genetic cross.
2.
FLASHCARD QUESTION
Front
What is the genotype for a homozygous dominant individual?
Back
AA
3.
FLASHCARD QUESTION
Front
In a genetic cross, what does a heterozygous genotype look like?
Back
A heterozygous genotype consists of two different alleles, such as Aa.
4.
FLASHCARD QUESTION
Front
What is the phenotypic ratio of offspring from a cross between a heterozygous black mouse (Bb) and a white mouse (bb)?
Back
2 Black: 2 White or 1 Black: 1 White.
5.
FLASHCARD QUESTION
Front
What is the probability of obtaining a brown-haired offspring if B = brown hair and b = blonde hair in a cross between Bb and bb?
Back
75%.
6.
FLASHCARD QUESTION
Front
Who is known as the Father of Genetics?
Back
Gregor Mendel.
7.
FLASHCARD QUESTION
Front
What does the term 'allele' refer to in genetics?
Back
An allele is a variant form of a gene that can produce different traits.
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