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Probability And Heredity
Test Description: Probability and Heredity
Instructions: Answer all questions to get your test result.
1) The physical appearance of an organism is its_________.
A
genotype
B
allele
C
phenotype
2) A number that describes how likely it is that an event will occur is the _________ of the event.
A
genotype
B
probablility
C
phenotype
D
allele
3) An organism that is _________has two identical alleles for a trait.
A
probable
B
homozygous
C
heterozygous
4) A Punnett square shows the combination of ______ that parents can pass on to offspring.
A
genes
B
generations
C
alles
5) The genetic makeup of an organism is its________.
A
allele
B
genetics
C
genotype
6) An organism that is __________has two different alleles for a trait.
A
the same
B
heterozygous
C
different
7) Which of these genotypes is heterozygous?
A
Cd
B
ee
C
Bb
D
AA
8) Which of these is NOT a phenotype?
A
tall
B
round
C
short
D
homozygous
9) In a cross between individuals that are Aa X Aa, how many boxes of the Punnett square will show an offspring that is AA?
A
2
B
1
C
4
D
4
10) Which of these is NOT a way to express probability?
A
50 percent
B
25
C
1 in 4
*select an answer for all questions
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