What is a genotype?
Genotype, Phenotype, & Punnett Squares

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