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Genetics
Test Description: Std 4.5-4.9 SC
Instructions: Answer all questions to get your test result.
1) If plant has a recessive allele for pink flowers it will produce
A
Yellow flowers if both recessive alleles are present
B
pink flowers if it has a dominant gene for yellow flowers
C
pink flowers if it does not have a dominant gene for yellow flowers
D
no flowers
2) Tetrads are
A
alleles
B
chromosomes
C
genes
D
traits
3) In metaphase chromosomes
A
multiply
B
line up in the center
C
dissolve
D
move to the ends
4) The stage where two cells start to form
A
prophase
B
metaphase
C
teleophase
D
anaphase
5) In this phase the chromosomes are not really visable
A
anaphase
B
interphase
C
telophase
D
prophase
6) The physical representation of a trait
A
recessive
B
genotype
C
dominant
D
phenotype
7) The chance that human offspring would be male?
A
50
B
25
C
75
D
100
8) The process of making changes in the DNA code of living organisms
A
genetic engineering
B
inbreeding
C
nondisjunction
9) Colorblindness is more common in males than females because
A
it is located on X chromosome and is dominant
B
it is located on X chromosome and is recessive
C
it is located on Y chromosome and is recessive
D
it is located on Y chromosome and is dominant
10) What is advantage of transgenic wheat?
A
plants resistant to drought
B
plants resistant to bugs
C
all of the above
D
increasing food supply
*select an answer for all questions
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