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