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WorksheetsUnit 11- Human Genetics and DNA Technology
Total questions: 26
Worksheet time: 26mins
Name
Class
Date
1.
What do half colored symbols represent?
a)
The individual is a carrier (heterozygous).
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.
2.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
3.
How are individuals III-2 and II-4 related?
a)
Cousins
b)
Dad and Daughter
c)
Uncle and Niece
d)
Grandpa and Granddaughter
4.
Why does individual IV-7 have colorblindness?
a)
Because his mom is a carrier.
b)
Because his dad has it.
c)
Because his siblings have it.
d)
Because his uncle has it.
5.
What type of inheritance do two alleles have if their traits blend together?
a)
Incomplete Dominance
b)
Co-Dominance
c)
Mendelian Inheritance
d)
Homozygous Inheritance
6.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
7.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
8.
A roan cow shows co-dominance in fur color (orange and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?
a)
4: Orange and White
b)
1: Orange : 1 White
c)
2 Orange: 2 Orange and White: 0 White
d)
1: Orange: 2 Orange and White: 1 White
9.
What is the genotype of a person with type A blood, who had a father with type O blood?
a)
AB
b)
AO
c)
AA
d)
OO
10.
which blood type is the universal donor (all people can receive it)?
a)
O
b)
AB
c)
A
d)
B
11.
If two parents are heterozygous for type A blood, what is the probability that their offspring would have type O blood?
a)
100 %
b)
75%
c)
50%
d)
25%
12.
Colorblindness is a recessive X-linked disorder.
Which genotype represents a male with normal vision?
Which genotype represents a male with normal vision?
a)
XNYN
b)
XnYn
c)
XNY
d)
XnY
13.
The sex of a child is determined by
a)
whether the father's sperm contains an x or y chromosome
b)
whether the mother's egg contains an x or y chromosome
c)
the age of the parents
14.
image that shows the complete diploid set of chromosomes grouped together in pairs, arranged in order of decreasing size
a)
autosome
b)
pedigree
c)
karyotype
d)
genome
15.
technique used to separate and analyze differently sized DNA fragments
a)
bioinformatics
b)
genomics
c)
gel electrophoresis
d)
restriction enzyme
16.
technique used to separate and analyze differently sized DNA fragments
a)
bioinformatics
b)
genomics
c)
gel electrophoresis
d)
restriction enzyme
17.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
18.
Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?
a)
DNA is negatively charged
b)
DNA is positively charged
c)
the agarose gel in negatively charged
d)
the agarose gel is positively charged
19.
If a karyotype of an unborn baby had three chromosomes at 21, this individual
a)
is normal.
b)
is affected with Turner Syndrome.
c)
is affected with Klienfelters Syndrome.
d)
is affected with Downs Syndrome.
20.
You can determine a persons eye color by looking at their karyotype.
a)
True
b)
False
21.
Mr. Jones was killed in a car accident. Afterwards, a former girlfriend filed a paternity suit claiming that Mr. Jones was the father of her child, and thus she was entitled to the man’s estate. Which sample of DNA would have to be from Mr. Jones if he were the child’s father?
a)
2
b)
3
c)
4
d)
5
22.
a)
This karyotype shows Trisomy 21
b)
This karyotype has no abnormality
c)
This karyotype is missing a sex chromosome (monosomy x)
d)
This karyotype is from a gamete
23.
A human genetic defect that results in the failure to metabolize the amino acid phenylalanine is ___.
a)
Turner syndrome
b)
Down syndrome
c)
phenylketonuria
d)
cystic fibrosis
24.
A human disorder caused by a dominant gene is ___.
a)
Tay-Sachs
b)
CF
c)
PKU
d)
Huntington's
25.
Which of the following genotypes result in blood type A phenotype?
a)
IAIB, ii
b)
IAIA, ii
c)
IAIA, IAi
d)
A and O
26.
Based on this Punnett Square, what is the % chance that the female offspring will have hemophilia? Hemophilia is a recessive, sex-linked trait.
a)
0%
b)
25%
c)
50%
d)
100%
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