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Genetics Test #3
Test Description: Take this test!
Instructions: Answer all questions to get your test result.
1) a change in the nucleotide-base sequence of a gene or DNA molecule
A
genotype
B
probability
C
mutation
D
homozygous
2) entire genetic makeup of an organism
A
phenotype
B
hybrid
C
genotype
D
homozygous
3) when 1 trait is not completely dominant over the other
A
incomplete dominance
B
heterozygous
C
hybrid
D
homozygous
4) process of breeding organisms for specific genetic traits
A
selective breeding
B
genetic engineering
C
mutation
D
chemical mutagen
5) chemical agent that changes genetic material
A
selective breeding
B
chemical mutagen
C
mutation
D
genetic engineering
6) an organism's appearance
A
hybrid
B
genotype
C
mutation
D
phenotype
7) the likelihood that an event will occur
A
probability
B
hybrid
C
mathematics
D
male chromosomes
8) Rr
A
homozygous
B
hybrid
C
phenotype
D
pure
9) XY
A
female chromosomes
B
gametes
C
male chromosomes
D
sex cells
10) 2 dominant or 2 recessive alleles
A
homozygous
B
hybrid
C
selective breeding
D
heterozygous
*select an answer for all questions
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