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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
phenotype
B
genotype
C
allele
2) A number that describes how likely it is that an event will occur is the _________ of the event.
A
probablility
B
phenotype
C
genotype
D
allele
3) An organism that is _________has two identical alleles for a trait.
A
homozygous
B
heterozygous
C
probable
4) A Punnett square shows the combination of ______ that parents can pass on to offspring.
A
genes
B
alles
C
generations
5) The genetic makeup of an organism is its________.
A
allele
B
genotype
C
genetics
6) An organism that is __________has two different alleles for a trait.
A
the same
B
different
C
heterozygous
7) Which of these genotypes is heterozygous?
A
AA
B
Cd
C
ee
D
Bb
8) Which of these is NOT a phenotype?
A
short
B
homozygous
C
tall
D
round
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
4
C
1
D
4
10) Which of these is NOT a way to express probability?
A
25
B
50 percent
C
1 in 4
*select an answer for all questions
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