Genetics - Class review

Flashcard
•
Science
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a homozygous dominant genotype?
Back
A genotype with two identical dominant alleles, represented as 'AA'.
2.
FLASHCARD QUESTION
Front
What is a phenotype?
Back
The physical appearance or observable traits of an organism.
3.
FLASHCARD QUESTION
Front
What is a monohybrid cross?
Back
A genetic cross between parents that differ in one trait, typically involving one pair of alleles.
4.
FLASHCARD QUESTION
Front
What percentage of offspring are expected to be homozygous recessive in a monohybrid cross of Aa x Aa?
Back
25%.
5.
FLASHCARD QUESTION
Front
What is a heterozygous genotype?
Back
A genotype with two different alleles for a trait, represented as 'Qq'.
6.
FLASHCARD QUESTION
Front
What is a homozygous recessive genotype?
Back
A genotype with two identical recessive alleles, represented as 'aa'.
7.
FLASHCARD QUESTION
Front
What does the term 'allele' mean?
Back
An allele is a variant form of a gene that can produce different traits.
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