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Genetics Unit Review
Test Description: Review of genetic unit
Instructions: Answer all questions to get your test result.
1) What Genetic Tool is used to determine all the possible ways alleles can join?
A
Punnett Square
B
Blood Screening
C
Genetic Engineering
D
Pedigree
2) What do the letters Tt mean to a geneticist?
A
heterozygous alleles
B
two dominant alleles
C
two recessive alleles
D
homozygous alleles
3) What is probability?
A
Ratio which compares a number to 100
B
Guessing the roll of two dice
C
The actual results from a series of events
D
Predicting the chance an event will occur
4) What genetic disorder does the royal family in England have in their Pedigree
A
Down Syndrome
B
Hemophilia
C
Sickle Cell Anemia
D
Cri du chat
5) Who is known as the father or Genetics?
A
Watson
B
Mendle
C
Crick
D
Punnett
6) What genetic disorder which is an addition of chromosome # 21
A
Sickle Cell Anemia
B
Klinefelters Syndrome
C
Down Syndrome
D
Hemophilia
7) What is known as the physical expression of a Trait?
A
Phenotype
B
Allele
C
Gene
D
Genotype
8) How many recessive alleles do you need to express a recessive trait?
A
2
B
3
C
0
D
1
9) What is known as a map of a person's chromosome?
A
Pedigree
B
Karyotype
C
Polygenetic Inheritance
D
Punnett Square
10) Which one of the following is NOT a type of a human mutation?
A
Point
B
Crossing Over
C
Deletion
D
Addition
*select an answer for all questions
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