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SC.7.L.16.2: Punnett Squares
Test Description: Punnett square vocabulary
Instructions: Answer all questions to get your test result.
1) What does heterozygous mean?
A
a fertilized gamete cell (diploid cell)
B
a set of instructions that specify traits
C
Having two of the SAME alleles of a gene
D
Having two DIFFERENT alleles of a gene
2) What does homozygous mean?
A
a fertilized gamete cell (diploid cell)
B
Having two DIFFERENT alleles of a gene
C
Having two of the SAME alleles of a gene
D
A physical trait that is expressed
3) What does it mean if an allele is dominant?
A
An allele that only a male person can possess
B
An allele that is hidden unless it is teamed up with another of the same
C
An allele that has total power and has taken over by force
D
An allele that is expressed, even if a different allele is present
4) What does it mean if an allele is recessive?
A
An allele that diminishes (gets smaller) throughout one's life until it disappears completely
B
An allele that is expressed, even if a different allele is present; Represented with a capital letter
C
An allele that is hidden by a dominant allele; it is only expressed if teamed up with another recessive allele
D
An allele that does not code for a physical trait; only a hidden trait such as personality
5) What is a genotype?
A
The physical traits based on a person's genes
B
A specific segment of the DNA
C
The alleles that a person has (represented with letters like Aa)
D
Having two different alleles of a gene
6) What is a phenotype?
A
A chart that shows all the possible allele combinations of two parents
B
When a person has two of the same alleles of a gene
C
The physical appearance or visible traits based on the genes
D
The alleles that a person has (represented using letters like Aa)
7) What is a Punnett Square?
A
The alleles of all parents and offspring in a family
B
A chart that shows all the possible allele combinations of two parents
C
The physical appearance or visible traits of the parent and offspring
D
The record of all ancestors of an organism (shows descendants of a family)
8) What does P1 represent?
A
The first generation of offspring
B
The chart that shows possible offspring
C
The probability of the offspring
D
The parental generation
9) What does F1 represent?
A
The chart that shows all family members
B
The chart that shows possible offspring
C
The first generation of offspring
D
The parental generation
10) What is an allele?
A
Cells resulting from cell division
B
A full strand of DNA folded up into an X shape
C
The physical expression of a gene
D
Different forms of a gene
*select an answer for all questions
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