Punnett Square Practice

Quiz
•
Biology
•
9th - 12th Grade
•
Hard
Wayground Content
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If two brown-eyed parents (Bb) have a baby, what is the chance the baby is blue-eyed?
0%
25%
50%
75%
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What does the letter 'b' represent in genetics?
A dominant allele, such as black fur or brown eyes.
A recessive allele, such as white fur or blue eyes.
A gene that determines height in plants.
A chromosome that carries genetic information.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is a dominant allele?
An allele that expresses its trait only when two copies are present.
An allele that expresses its trait even when only one copy is present.
An allele that has no effect on the phenotype.
An allele that is always recessive.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What does the letter 'B' represent in genetics?
A recessive allele, such as blue fur or blue eyes.
A dominant allele, such as brown fur or brown eyes.
A gene that has no effect on phenotype.
A type of mutation that causes color blindness.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If a Punnett Square shows a 50% probability for a trait, what does that mean?
There is a 50% chance that the offspring will express that trait.
The trait will definitely be expressed in the offspring.
There is no chance that the trait will be expressed in the offspring.
The trait will be expressed in all offspring.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the difference between genotype and phenotype?
Genotype refers to the observable traits of an organism, while phenotype refers to the genetic makeup (alleles).
Genotype refers to the genetic makeup (alleles) of an organism, while phenotype refers to the observable traits.
Genotype and phenotype are the same and can be used interchangeably.
Genotype refers to the physical environment of an organism, while phenotype refers to the genetic makeup.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In a Punnett Square, what do the letters on the top and side represent?
The physical traits of the offspring
The alleles contributed by each parent
The environment in which the parents live
The number of offspring produced
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