What is a Punnett Square?
Punnett Squares

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Biology
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9th - 12th 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
How many alleles does a child inherit from each parent?
Back
A child inherits 1 allele from each parent, making a total of 2 alleles for each gene.
3.
FLASHCARD QUESTION
Front
What blood type is considered the universal donor?
Back
Blood type O is considered the universal donor because it can be given to individuals of any blood type.
4.
FLASHCARD QUESTION
Front
What is the genotype of an individual with type AB blood?
Back
The genotype of an individual with type AB blood is AB, meaning they have one A allele and one B allele.
5.
FLASHCARD QUESTION
Front
If a child has type O blood, what are the possible genotypes of the parents?
Back
Both parents must have at least one O allele, so their genotypes could be OO, AO, or BO.
6.
FLASHCARD QUESTION
Front
What does it mean if a trait is recessive?
Back
A recessive trait is one that only appears when an individual has two copies of the recessive allele (homozygous recessive).
7.
FLASHCARD QUESTION
Front
In a genetic cross, what does the term 'phenotype' refer to?
Back
Phenotype refers to the observable characteristics or traits of an individual, resulting from the interaction of their genotype with the environment.
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