What is a Punnett Square?
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 outcome of a genetic cross by showing the possible combinations of alleles from the parents.
2.
FLASHCARD QUESTION
Front
What does homozygous mean?
Back
Homozygous refers to having two identical alleles for a particular gene, such as TT or tt.
3.
FLASHCARD QUESTION
Front
What does heterozygous mean?
Back
Heterozygous refers to having two different alleles for a particular gene, such as Tt.
4.
FLASHCARD QUESTION
Front
What is a genotype?
Back
A genotype is the genetic makeup of an organism, represented by the alleles it possesses.
5.
FLASHCARD QUESTION
Front
What is a phenotype?
Back
A phenotype is the physical expression or characteristics of a genotype, such as height or eye color.
6.
FLASHCARD QUESTION
Front
What are alleles?
Back
Alleles are different forms of a gene that can exist at a specific locus on a chromosome.
7.
FLASHCARD QUESTION
Front
What is the probability of getting a homozygous recessive offspring from two heterozygous parents (Tt)?
Back
The probability is 25%.
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