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Inheritance
Test Description: Vocabulary for creating and deciphering Punnett Squares
Instructions: Answer all questions to get your test result.
1) An organism with two identical alleles for a trait is a(n) _____.
A
genotype
B
heterozygous
C
hybrid
D
homozygous
2) What do we call an organism with two different alleles for a trait?
A
purebred
B
phenotype
C
heterozygous
D
homozygous
3) A Punnett square can show you what traits are most likely to occur, but ultimately it is _____ _____ that determines what traits are inherited.
A
Mother Nature
B
phenotypes
C
Mr. Vandenberg
D
recessive alleles
4) What do we call an organism's physical appearance?
A
genotype
B
phenotype
C
recessive allele
D
dominant allele
5) What do we call an organism's genetic makeup or allele combinations?
A
phenotype
B
homozygous
C
hybrid
D
genotype
6) An allele whose trait will only show up if there are two of them..
A
Mother Nature
B
heterozygous
C
recessive allele
D
dominant allele
7) An allele whose trait always shows in an organism if it is present.
A
purebred
B
dominant allele
C
hybrid
D
recessive allele
8) What is the possibility of offspring being green if a two heterozygous green pea pods are crossed?
A
75%
B
50%
C
25%
D
0%
9) What are the chances of a mouse being tan if a homozygous tan (T) mouse is crossed with a white (t) mouse?
A
0%
B
50%
C
The offspring would be tan and white.
D
100%
10) What are the chances that the offspring of two horses would have black fur (B) if one parent is heterozygous black and the other is brown?
A
75%
B
100%
C
50%
D
25%
*select an answer for all questions
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