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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
mutation
C
probability
D
homozygous
2) entire genetic makeup of an organism
A
hybrid
B
homozygous
C
phenotype
D
genotype
3) when 1 trait is not completely dominant over the other
A
homozygous
B
heterozygous
C
incomplete dominance
D
hybrid
4) process of breeding organisms for specific genetic traits
A
genetic engineering
B
selective breeding
C
mutation
D
chemical mutagen
5) chemical agent that changes genetic material
A
mutation
B
selective breeding
C
chemical mutagen
D
genetic engineering
6) an organism's appearance
A
genotype
B
mutation
C
hybrid
D
phenotype
7) the likelihood that an event will occur
A
male chromosomes
B
hybrid
C
mathematics
D
probability
8) Rr
A
hybrid
B
pure
C
phenotype
D
homozygous
9) XY
A
gametes
B
female chromosomes
C
male chromosomes
D
sex cells
10) 2 dominant or 2 recessive alleles
A
selective breeding
B
hybrid
C
homozygous
D
heterozygous
*select an answer for all questions
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