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WorksheetsHuman Heredity
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
What is an autosome?
a)
automobile built for one person
b)
chromosome that does not determine gender
c)
chromosome that does determine gender
d)
a plant because they do photosynthesis
2.
Which of these statements is true?
a)
Humans have the highest number of chromosomes among mammals.
b)
All mammals have the same number of chromosomes.
c)
Different species have a different number of chromosomes.
d)
More than one choice is true.
3.
Looking at the karyotype, is this person male or female, and how do you know?
a)
There is no way to tell from a karyotype.
b)
Male - has two X's
c)
female - has two X's
d)
Male - has an X and Y
4.
Looking at this karyotype, what atypical chromosome grouping do you observe?
a)
This is a male without a y chromosome.
b)
This is a female without a second X chromosome.
c)
Nothing atypical
5.
Looking at this karyotype, what atypical chromosome grouping do you observe?
a)
lack of a y chromosome
b)
trisomy 13 (3 copies of 13)
c)
just a typical girl
d)
just a typical boy
6.
How is colorblindness inherited and what would be a colorblind male's genotype?
a)
x-linked recessive; Xhy
b)
autosomal recessive; hh
c)
autosomal dominant; HH or Hh
d)
x-linked dominant; XHy
7.
How is sickle cell disorder inherited, and what would a be a genotype for a female with sickle cell?
a)
x-linked recessive; XaXa
b)
x-linked dominant; XAXA or XAXa
c)
autosomal dominant AA or Aa
d)
Autosomal recessive aa
8.
How is cystic fibrosis inherited, and what would be a genotype for a male with CF?
a)
X-linked recessive; Xfy
b)
X-linked dominant; XFy
c)
autosomal recessive; ff
d)
autosomal dominant; FF or Ff
9.
How is Huntington's disorder inherited, and what would be a genotype for a female with it?
a)
X-linked dominant; XHXH or XHXh
b)
X-linked recessive; XhXh
c)
autosomal dominant; HH or Hh
d)
autosomal recessive hh
10.
How is hemophilia inherited, and what would be a genotype for an affected male?
a)
X-linked recessive; Xhy
b)
X-linked dominant; XHy
c)
autosomal dominant; HH or Hh
d)
autosomal recessive; hh
11.
How is this trait inherited?
a)
autosomal dominant
b)
autosomal recessive
c)
x-linked dominant
d)
x-linked recessive
12.
If this is an autosomal recessive inheritance, which of the following would be true statements about carriers of this trait?
a)
In generation 1, person 1 is a carrier, but 2 would not have to be a carrier.
b)
In generation III, both 1 and 2 have to be carriers.
c)
In generation II, 1, 3, and 4 have to be carriers.
d)
In generation IV, 2,3 and 4 must be carriers.
13.
The double line connecting 4 and 5 in the last generation means ___________.
a)
they were married twice
b)
they are married cousins
c)
they are twins
d)
they are divorced
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