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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
probability
B
homozygous
C
mutation
D
genotype
2) entire genetic makeup of an organism
A
genotype
B
hybrid
C
homozygous
D
phenotype
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
selective breeding
B
chemical mutagen
C
genetic engineering
D
mutation
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
phenotype
C
mutation
D
genotype
7) the likelihood that an event will occur
A
hybrid
B
probability
C
mathematics
D
male chromosomes
8) Rr
A
hybrid
B
homozygous
C
phenotype
D
pure
9) XY
A
male chromosomes
B
gametes
C
female chromosomes
D
sex cells
10) 2 dominant or 2 recessive alleles
A
homozygous
B
selective breeding
C
hybrid
D
heterozygous
*select an answer for all questions
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