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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
multiple alleles
B
codominance
C
polygenic inheritance
D
incomplete dominance
2) Transferring genes from the genetic material of one organism to another is called:
A
genetic engineering
B
genome
C
incomplete dominance
D
pedigree
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
0%
B
50%
C
75%
D
100%
4) The small segments of a chromosome that help code for a trait are called:
A
phenotypes
B
genotypes
C
proteins
D
genes
5) Black fur (B) is dominant over brown fur (b). What is the PHENOTYPE of all four offspring?
A
brown fur
B
BB
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
100%
B
50%
C
25%
D
0%
7) A heterozygous tall bean plant crosses with another heterozygous tall bean plant. What percent chance does the offspring have of being tall?
A
50%
B
75%
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
Selective Breeding
B
National Institute of Health
C
Human Genome Project
D
Association of Cloning
9) A __________________ is a disease that is caused by a change, or mutation, in an individual's DNA sequence.
A
genetic disorder
B
clone
C
pedigree
D
hybrid
10) Which of the following is NOT an inherited trait?
A
happy personality
B
green eyes
C
round face
D
almond shaped eyes
*select an answer for all questions
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