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Punnett Squares And Genetic Mutations
Test Description: Genetics
Instructions: Answer all questions to get your test result.
1) When dominant and recessive traits are combined in the heterozygous state and result in a BLENDING of the traits:
A
incomplete dominance
B
polygenic inheritance
C
multiple alleles
D
codominance
2) Transferring genes from the genetic material of one organism to another is called:
A
incomplete dominance
B
pedigree
C
genome
D
genetic engineering
3) In guinea pigs, brown fur (B) is dominant over white fur (b). If a purebred brown guinea pig is crossed with a purebred white guinea pig, what percentage of the offspring will have white fur?
A
75%
B
100%
C
0%
D
50%
4) The small segments of a chromosome that help code for a trait are called:
A
proteins
B
phenotypes
C
genes
D
genotypes
5) Black fur (B) is dominant over brown fur (b). What is the PHENOTYPE of all four offspring?
A
BB
B
brown fur
C
Bb
D
black fur
6) In mice, black fur (B) is dominant over white fur (b). If a hybrid black mouse is crossed with a purebred white mouse, what percentage of the offspring will have black fur?
A
0%
B
25%
C
50%
D
100%
7) A heterozygous tall bean plant crosses with another heterozygous tall bean plant. What percent chance does the offspring have of being tall?
A
75%
B
50%
C
25%
D
0%
8) Scientists from all over the world worked together to figure out the sequence of all of the genes within our bodies. The purpose was to correct genetic disorders or eliminate them altogether. What is this project called?
A
National Institute of Health
B
Association of Cloning
C
Human Genome Project
D
Selective Breeding
9) A __________________ is a disease that is caused by a change, or mutation, in an individual's DNA sequence.
A
hybrid
B
clone
C
pedigree
D
genetic disorder
10) Which of the following is NOT an inherited trait?
A
green eyes
B
happy personality
C
round face
D
almond shaped eyes
*select an answer for all questions
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