Punnett squares/ Heredity/ and genes
Authored by Debora Shaffer
Science
6th - 8th Grade
NGSS covered
Used 1+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do we use Punnett Squares?
To see what DNA the organism has.
to visually see and find the possible genotypes and phenotypes of offspring resulting from a cross between two individuals
to study and understand observable characteristics of an organism
To see if its a Boy or Girl
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following represents a homozygous genotype? There are two answers
AA
Aa
aa
ABa
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a Punnett square, what does each box represent? (Hint Comes from Mom and Dad)
A possible genotype combination of the parents
A different allele
A different trait
A possible phenotype
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the phenotype of an organism with the genotype "Bb"?
(Hint: Is the capital letter dominant or recessive? )
It will have no phenotype.
It will express the recessive trait.
The phenotype cannot be determined with this information.
It will express the dominant trait.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or false: In a Punnett square, the parents' genotypes are placed on the sides, and their possible offspring combinations are inside the grid.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or false: A recessive trait will only be expressed if the organism has two copies of the recessive allele. ( aa, bb)
true
false
7.
MATCH QUESTION
1 min • 1 pt
Match the terms with their definitions.
Phenotype
Two different alleles for a trait.
Genotype
Two identical alleles for a trait.
Heterozygous
An organism's physical appearance or observable traits.
Homozygous
The genetic makeup of an organism.
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