What is a Punnett Square?
Punnett Squares

Flashcard
•
Biology
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A Punnett Square is a diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles from the parents.
2.
FLASHCARD QUESTION
Front
What does heterozygous mean?
Back
Heterozygous refers to having two different alleles for a particular gene (e.g., Aa).
3.
FLASHCARD QUESTION
Front
What does homozygous mean?
Back
Homozygous refers to having two identical alleles for a particular gene (e.g., AA or aa).
4.
FLASHCARD QUESTION
Front
What is a genotype?
Back
A genotype is the genetic makeup of an organism, represented by the alleles (e.g., AA, Aa, aa).
5.
FLASHCARD QUESTION
Front
What is a phenotype?
Back
A phenotype is the physical appearance or observable traits of an organism resulting from its genotype.
6.
FLASHCARD QUESTION
Front
What is a dominant allele?
Back
A dominant allele is an allele that expresses its trait even when only one copy is present in the genotype.
7.
FLASHCARD QUESTION
Front
What is a recessive allele?
Back
A recessive allele is an allele that only expresses its trait when two copies are present in the genotype.
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