What is a dominant allele?
Punnett Squares

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•
Biology
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A dominant allele is a variant of a gene that always shows up in an organism when it is present.
2.
FLASHCARD QUESTION
Front
What is a recessive allele?
Back
A recessive allele is a variant of a gene that only shows up in an organism if two copies are present.
3.
FLASHCARD QUESTION
Front
What does homozygous mean?
Back
Homozygous refers to having two identical alleles for a particular gene, such as 'PP' or 'tt'.
4.
FLASHCARD QUESTION
Front
What does heterozygous mean?
Back
Heterozygous refers to having two different alleles for a particular gene, such as 'Pp'.
5.
FLASHCARD QUESTION
Front
What is a Punnett Square?
Back
A Punnett Square is a diagram used to predict the genetic makeup of offspring from two parents.
6.
FLASHCARD QUESTION
Front
What does genotype mean?
Back
Genotype refers to the genetic constitution of an individual, represented by the alleles they possess.
7.
FLASHCARD QUESTION
Front
What does phenotype mean?
Back
Phenotype refers to the observable characteristics or traits of an organism, influenced by its genotype.
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