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Genetics Test #2
Test Description: Take this test!
Instructions: Answer all questions to get your test result.
1) 25 out of 50 students having a trait = _____%
A
50
B
75
C
100
D
25
2) combinations of DNA from two different organisms
A
selective breeding
B
meiosis
C
recombinant DNA
D
replication
3) sides of a DNA ladder are made of alternating sugar and _________ molecules
A
cinnamon
B
fats
C
salt
D
phosphate
4) the passing of traits from parents to offspring
A
heredity
B
mitosis
C
genes
D
DNA
5) another term for heterozygous
A
hybrid
B
pedigree
C
homozygous
D
pure
6) another term for homozygous
A
heterozygous
B
hybrid
C
pure
D
mixed
7) condition that results when genes produce a trait in between the parents
A
incomplete dominance
B
hybrid
C
mutation
D
middle traits
8) Who created a model of DNA?
A
Chargraff
B
Mendel
C
Franklin
D
Watson and Crick
9) an example would be a guinea pig's bristly hair
A
genes
B
phenotype
C
genotype
D
genome
10) A duplicated DNA molecule forms during ______.
A
replication
B
meiosis
C
mitosis
D
breeding
*select an answer for all questions
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