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Genetics
Test Description: 7th grade genetics/heredity review
Instructions: Answer all questions to get your test result.
1) Which of the following would be homozygous?
A
BB
B
neither
C
both
D
bb
2) Which of the following would be heterozygous?
A
BB
B
None of the above
C
Bb
D
bb
3) What is the physical appearance for a trait?
A
Allelle
B
none of the above
C
phenotype
D
genotype
4) What kpercent of alleles does each parent contribute to their offspring?
A
50%
B
0%
C
75%
D
25%
5) Who is the father of genetics?
A
Mendel
B
None of the above
C
Einstein
D
Newton
6) The scientific study of heredity is called...
A
pollination
B
genetics
C
crossing-over
D
meiosis
7) What can be used to determine the gentic possibilities for different combinations of alleles?
A
pedigree chart
B
probability
C
genetics
D
punnett square
8) Which of the following is not an inherited trait?
A
hair color
B
broken leg
C
blood type
D
attached earlobe
9) Which disease causes red blood cells to have an unusual shape?
A
the flu
B
Huntingstons disease
C
parkinson's disease
D
sickle cell disease
10) What do the letters Tt mean to a geneticist?
A
heterogenous alleles
B
homozygous alleles
C
two dominant alleles
D
trait
*select an answer for all questions
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