
Dihybrid Cross Concepts and Applications
Interactive Video
•
Biology, Science
•
9th - 12th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between monohybrid and dihybrid inheritance?
Monohybrid inheritance involves two genes, while dihybrid involves one.
Monohybrid inheritance involves multiple genes, while dihybrid involves a single gene.
Monohybrid inheritance involves dominant alleles only, while dihybrid involves recessive alleles only.
Monohybrid inheritance involves one gene, while dihybrid involves two.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of dihybrid crosses, what does a 'pure breeding' seed mean?
It has only dominant alleles for all traits.
It has only recessive alleles for all traits.
It has identical alleles for a specific trait.
It has a mix of dominant and recessive alleles.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a dominant allele for seed color in pea plants?
Green (y)
Yellow (Y)
Wrinkled (r)
Round (R)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a Punnett square in dihybrid crosses?
To identify the dominant and recessive alleles in parents.
To calculate the probability of genetic mutations.
To predict the genotypes and phenotypes of offspring.
To determine the number of chromosomes in an organism.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a dihybrid cross, what does the genotype 'YyRr' indicate?
Homozygous recessive for both traits.
Heterozygous for one trait and homozygous for the other.
Homozygous dominant for both traits.
Heterozygous for both traits.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expected phenotype of an F1 generation from a dihybrid cross of pure breeding yellow round and green wrinkled pea plants?
Green and round
Yellow and wrinkled
Yellow and round
Green and wrinkled
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean if an organism is heterozygous for a trait?
It has two identical alleles for that trait.
It has two different alleles for that trait.
It has only recessive alleles for that trait.
It has only dominant alleles for that trait.
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