Dihybrid Cross Practice
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Easy
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a dihybrid cross?
Back
A genetic cross that involves two traits, each represented by two alleles.
2.
FLASHCARD QUESTION
Front
Define homozygous dominant.
Back
An organism with two identical dominant alleles for a trait (e.g., AA).
3.
FLASHCARD QUESTION
Front
Define heterozygous.
Back
An organism with two different alleles for a trait (e.g., Aa).
4.
FLASHCARD QUESTION
Front
What does the Punnett square represent?
Back
A diagram used to predict the genotypes and phenotypes of offspring from a genetic cross.
5.
FLASHCARD QUESTION
Front
What is the phenotypic ratio in a typical dihybrid cross?
Back
9:3:3:1.
6.
FLASHCARD QUESTION
Front
What is the genotype for a plant that is homozygous for round seeds and heterozygous for yellow seeds?
Back
RRYy.
7.
FLASHCARD QUESTION
Front
What phenotype is expressed when a dominant allele is present?
Back
The dominant phenotype is expressed.
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