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Bio Inheritence
Test Description: First test
Instructions: Answer all questions to get your test result.
1) Which of the following genotypes fits the description Homozygous Dominant
A
None of the above
B
AA
C
aa
D
Aa
2) Which of the following genotypes fits the description homozygous Recessive
A
Aa
B
aa
C
None of the above
D
AA
3) What is the likelihood that a one homozygous recesssive parent and a heterozygous parent would produce Heterozygous offspring
A
25%
B
50%
C
0%
D
100%
4) What is the likelihood that a Heterozygous mother (Aa) and father (A) would have a x-linked Dominant son (Out of all their offspring)?
A
100%
B
25%
C
75%
D
50%
5) Which of the following is an example of a phenotype
A
Bb
B
An individual is Heterozygous
C
An individual has Blue eyes
D
A individual is a carrier of a disease
6) Which of the following is an example of a genotype
A
An organism has gills
B
Amount of Hair on an organism
C
An organism is homozygous
D
The color of an organism's eyes
7) Which of the following best describes the relationship between Genotype and Phenotypes
A
The phenotype determines how a gene will be expressed
B
The phenotype of an organism determines the genotype
C
The genotype of an organism determines the phenotype
D
The phenotype and genotype are unrelated
8) What is the likelihood that two homozygous dominant individuals will produce heterozygous offspring
A
50%
B
75%
C
0%
D
100%
9) which of the following genotypes describes a heterozygous organism?
A
Aa
B
AA
C
none of the above
D
aa
10) which of the following genetic crosses will produce a 100 percent chance of heterozygous offspring?
A
AA x AA
B
aa x aa
C
Aa x Aa
D
AA x aa
11) Which of the following answers shows the potential genotypes of all the daughters of a Homozygous recessive female (Xa Xa) and an affected male (Xa Y)?
A
All of the above
B
XA XA
C
XA Xa
D
Xa Xa
*select an answer for all questions
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