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WorksheetsInheritance Review
Total questions: 56
Worksheet time: 52mins
Name
Class
Date
1.
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.
a)
DNA
b)
protein
c)
RNA
d)
glucose nucleic acid (GNA)
2.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
3.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
4.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
5.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
6.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
7.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
8.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
9.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
10.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
11.
What gender has an X and a Y chromosome?
a)
male
b)
female
c)
transgender
d)
all of the above
12.
If this pedigree shows an autosomal recessive disorder, what MUST the genotype of individual II-3 be?
a)
HH
b)
Hh
c)
hh
d)
None of the above
13.
What type of heredity is shown in the pedigree?
(hint: check your notes - "modes of inheritance")
(hint: check your notes - "modes of inheritance")
a)
Sex-Linked Dominant
b)
Sex-Linked Recessive
c)
Autosomal Dominant
d)
Autosomal Recessive
14.
If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?
a)
HH
b)
Hh
c)
hh
15.
In a pedigree, what shape represents a male?
a)
circle
b)
square
c)
triangle
d)
diamond
16.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
17.
There are no carriers for Huntington's Disease- you either have it or you don't. Is Huntington's disease caused by a dominant or recessive trait?
a)
Dominant
b)
Recessive
18.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)
8
b)
5
c)
2
d)
3
19.
Hemophilia is a recessive sex-linked trait. If H = normal & h = has hemophilia, which genotype represents a male with hemophilia.
a)
XHY
b)
XHXh
c)
XhXh
d)
XhY
20.
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
21.
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.
22.
The genotype of the affected son and daughter at the bottom of this pedigree...
a)
could be homozygous dominant
b)
could be homozygous recessive
c)
could be heterozygous
d)
Can't tell
23.
Which of the following is heterozygous
a)
FF
b)
tt
c)
Gg
d)
RR
24.
Which of the following is homozygous recessive?
a)
rr
b)
AA
c)
TT
d)
Ff
25.
What does the prefix homo- in homozygous mean?
a)
same
b)
different
c)
dating
d)
humans
26.
What does the prefix hetero- in heterozygous mean?
a)
same
b)
different
c)
dating
d)
human
27.
Which of the following is heterozygous
a)
Ww
b)
ii
c)
DD
d)
kk
28.
How many letters does a genotype contain?
a)
1
b)
2
c)
3
d)
4
29.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's phenotype?
a)
Brown Hair
b)
Blonde Hair
c)
Brown and Blonde Hair
d)
Black Hair
30.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?
a)
BB
b)
bb
c)
Bb
d)
bB
31.
Mary is heterozygous. If F for freckles, and f is for no freckles, what is Mary's phenotype?
a)
Freckles
b)
No Freckles
c)
A few Freckles
d)
One Freckle
32.
Mary is heterozygous. If F for freckles, and f is for no freckles, what is Mary's genotype?
a)
FF
b)
Ff
c)
ff
d)
fF
33.
This type of inheritance pattern shows BOTH traits in possible offspring:
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
Indomitable
34.
When two or more genes control one single trait.
a)
Multiple Alleles
b)
Several Genes
c)
Polygenetic Traits
d)
Genotype
35.
What is a possible phenotype of a child that results from a woman with type AB blood and a man with type A blood?
a)
OO
b)
type O
c)
AA
d)
type A
36.
In flowers, 2 pink (RW) flowers are crossed. What are the genotypes and phenotypes of their offspring?
a)
100% pink (RW)
b)
50% pink (RW); 25% white (WW); 25% red (RR)
c)
75% pink (RW); 25% white (WW)
d)
100% red (RR)
37.
A father that is heterozygous blood type A is crossed with a heterozygous blood type B mother. What will be the genotype of the offspring?
a)
50% AB; 50% OO
b)
25% AB, 25% AO, 25% BO, 25% OO
c)
25% AA, 25% BB, 25% AB, 25% OO
d)
100% AB
38.
A father that has blood type O is crossed with a blood type O mother. What will be the genotype of the offspring?
a)
50% AB; 50% OO
b)
25% AB, 25% AO, 25% BO, 25% OO
c)
25% AA, 25% BB, 25% AB, 25% OO
d)
100% OO
39.
If a red flower and a white flower are crossed and they exhibit incomplete dominance, what color will the intermediate be?
a)
Red
b)
White
c)
Speckled Red & White
d)
Pink
40.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
c)
Independent assortment
d)
Recessive inheritance
41.
In chickens feather color is controlled by codominance.
If a black chicken (BB) is crossed with a speckled (black and white) chicken (BW) what will be the phenotypes of the offspring?
If a black chicken (BB) is crossed with a speckled (black and white) chicken (BW) what will be the phenotypes of the offspring?
a)
100% speckled (black and white)
b)
50% speckled (black and white); 50% black
c)
75% white; 25% speckled (black and white)
d)
50% white; 50% black
42.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
43.
Which two genotypes would have the same blood type?
a)
IAIA and IAi
b)
IBIB and IAIB
c)
IBi and ii
d)
IAIA and IAIB
44.
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
45.
What is it called when both traits are expressed and neither allele is dominant?
a)
Incomplete Dominance
b)
Co-dominance
c)
Pedigree
46.
What is it called when two traits are blended?
a)
Co-dominance
b)
Incomplete Dominance
c)
Pedigree
d)
Sex-linked
47.
If this image were real, it would represent what type of inheritance?
a)
incomplete dominance
b)
codominance
c)
polygenic inheritance
d)
compete dominance
48.
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)
multiple alleles
d)
polygenic inheritance
49.
The man who studied genetics and came up with genetics is
a)
Watson
b)
Crick
c)
Mendel
d)
Darwin
50.
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
a)
100% BB
b)
75% BB and 25%Bb
c)
50 % BB and 50% Bb
d)
50% Bb and 50% bb
51.
Squidward has light blue skin, and his genotype for this trait is Bb. Which of the following would describe Squidward?
a)
Purebred
b)
Hybrid
c)
Homozygous
d)
Sex-linked
52.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
53.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
54.
Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?
a)
height
b)
the scar
c)
ability to swim
d)
ability to play drums
55.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
56.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
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