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