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WorksheetsInheritance Review
Total questions: 35
Worksheet time: 23mins
Name
Class
Date
1.
a)
Co-dominance
b)
Blocked gene
c)
Sex-linked
d)
Incomplete dominance
2.
This type of inheritance pattern is a MIXTURE (blending) of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
3.
How many children do #5 & #6 have?
a)
1 male child
b)
2 male and 2 female children
c)
2 male children
d)
1 daughter and 1 son
4.
What do the shaded shapes represent?
a)
Normal individuals
b)
Affected individuals
c)
Carriers
d)
Deceased
5.
AB blood type is an example of what type of inheritance?
a)
complete dominance
b)
incomplete dominance
c)
codominance
d)
polygenic inheritance
6.
If this image were real, it would represent what type of inheritance?
a)
incomplete dominance
b)
codominance
c)
polygenic inheritance
d)
compete dominance
7.
What gender is this individual?
a)
male
b)
female
c)
we cannot tell using a karyotype?
8.
The image shows the pattern of inheritance for colorblindness. From this diagram we can tell that colorblindness is
a)
a codominant trait
b)
a sex-linked trait
c)
carried on the Y chromosome
d)
a incompletley dominant trait
9.
How much of your DNA do you inherit from your mom?
a)
10%
b)
25%
c)
50%
d)
100%
10.
Height in Pea Plants follows the patter of incomplete dominance. Two heterozygous (Tt) tall pea plants are crossed. Which describes their offspring?
a)
50% tall and 50% short
b)
25%tall, 50% medium, and 25% short
c)
100%short
d)
100%tall
11.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
12.
If the dominant allele (B) represents brown hair and the recessive allele (b) represents blonde hair, which offspring represents a homozygous recessive genotype?
a)
BB
b)
Bb
c)
blonde
d)
bb
13.
What is the definition of Heterozygous?
a)
when an individual has two sets of the same allele
b)
when it is neither dominant or recessive
c)
A pair of genes where one is dominant and one is recessive.
14.
What is the definition of Homozygous?
a)
When one allele is dominant and one is recessive
b)
When an individual has either RR or rr
c)
when it is neither dominant or recessive
15.
a)
Magical Fishes
b)
Co-dominance
c)
Incomplete dominance
d)
Mixed dominance
16.
Does this pedigree show a dominant or recessive trait?
a)
Dominant
b)
Recessive
17.
Does this pedigree show an autosomal or X-linked trait?
a)
Autosomal
b)
X-linked
18.
Which of the following statements is true regarding blood types?
a)
A and O are codominant, B is recessive.
b)
B and O are codominant, A is recessive.
c)
A and B are codominant, O is recessive.
d)
A , B and O are all codominant with each other.
19.
True or False: Men can NEVER be "carriers" for recessive sex-linked traits because they only have one X chromosome.
a)
True
b)
False
20.
If the heterozygous genotype leads to a BLEND of the other two traits, this is an example of ______________.
a)
Incomplete Dominance
b)
Codominance
c)
Multiple Alleles
d)
Polygenic Inheritance
21.
A heterozygous condition in which BOTH alleles are equally expressed is an example of _________________.
a)
Codominance
b)
Incomplete Dominance
c)
Polygenic Inheritance
d)
Multiple Alleles
22.
A red flowered plant (RR) breeds with a White flowered plant (rr). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (Rr) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
23.
The range of human skin colors is caused by a variety of genes, each of which has at least 2 alleles. This is an example of:
a)
incomplete dominance
b)
codominance
c)
sex-linked
d)
polygenic inheritance
24.
What percentage of the female offspring will be a carrier for this recessive disease?
a)
0%
b)
50%
c)
100%
d)
25%
25.
If a woman is a carrier for a sex linked recessive trait of hemophilia and her husband has hemophilia, which of the following is true? Make a punnett square!
a)
All sons will have hemophilia
b)
all daughters will have hemophilia
c)
50% of daughters and 50% of sons have hemophilia
d)
100% of sons have hemophilia and 100% of daughters are carriers
26.
Tallness (T) is dominant to shortness (t) in pea plants. Which of the following represents a genotype of a pea plant that is heterozygous for tallness?
a)
T
b)
TT
c)
Tt
d)
tt
27.
In peas, yellow seeds (Y) are dominant to green seeds (y). If a homozygous green plant is crossed with a yellow seeded plant whose mother had green seeds, what percent of the offspring will be green?
a)
0%
b)
25%
c)
50%
d)
100%
28.
In guinea pigs, black fur (B) is completely dominant to white fur (b). A black guinea pig is crossed with a white guinea pig. Half of their offspring are white and half are black. What is the genotype of the black guinea pig parent?
a)
BB
b)
Bb
c)
bb
29.
A mother of blood type A and a father of blood type B had a child of type O. It is apparent that:
a)
The hospital gave them the wrong infant
b)
Both parents were heterozygotes
c)
The father is homozygous B
d)
The mother is homozygous A
30.
Color-blindness in humans is a sex-linked trait carried on the X chromosome. XC represents the gene for color-blindness. It is recessive. If a homozygous normal female and a color-blind male get married, what percentage of their sons will be color-blind, on average?
a)
0%
b)
25%
c)
50%
d)
100%
31.
A cross between a brown cow and a white cow produces a roan (brown and white together) pattern. What percent of calves would have roan fur if a roan cow is crossed with a brown cow?
a)
0%
b)
25%
c)
50%
d)
100%
32.
Which members of the family above are afflicted with Huntington's Disease?
a)
I-1, II-2, II-3, II-7, and III-3
b)
I-1, I-2, II-3, II-7, and III-5
c)
I-1, I-3, II-8, and III-2
d)
I-2, II-1, II-4, II-5, II-6, II-8, III-1, III-2, III-4, and III-5
33.
How many girls did II-1 and II-2 have?
a)
1
b)
2
c)
3
d)
4
34.
Give the genotype for person III-3
a)
GG
b)
Gg
c)
gg
35.
What type of heredity is shown in the pedigree?
a)
Autosomal Recessive
b)
Sex-Linked Recessive
c)
Autosomal Dominant
d)
Sex-Linked Dominant
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