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WorksheetsHereditary
Total questions: 39
Worksheet time: 45mins
Name
Class
Date
1.
Which sentence is TRUE?
a)
Acquired traits are passed from parents to offspring
b)
Inherited traits are passed from parents to offspring
c)
Behaviors are never inherited
d)
Behaviors are always inherited
2.
Who is considered the "father" of modern genetics?
a)
Einstein
b)
Mendel
c)
Disney
d)
Trump
3.
A single cross such as flower color.
a)
mono hybrid
b)
dihybrid
c)
crossing over
d)
homozygous
4.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
5.
The exact genetic makeup of an organism, such as RR, Tt, PP is its?
a)
phenotype
b)
dominance
c)
genotype
d)
trait
6.
Females-XX; MalesXY. A couple has 4 girls. What is the chance the next child will be a boy?
a)
75%
b)
100%
c)
25%
d)
50%
7.
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
8.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
9.
W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?
a)
none
b)
3/4
c)
1/2
d)
all
10.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
11.
Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).
Cross two speckled flowers.
a)
1 red, 2 speckled, 1 blue
b)
2 red, 2 blue
c)
2 blue, 2 speckled
d)
1 red, 1 speckled, 2 blue
12.
How many alleles does an individual have for each trait?
a)
1
b)
2
c)
3
d)
4
13.
The different forms of a gene are called
a)
traits
b)
pollinators
c)
alleles
d)
hybrids
14.
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%
15.
Which of the following are genotypes for blood type B?
a)
IA IA and IA IB
b)
IB IB and ii
c)
IB IB and IB i
d)
IA IB and IA IB
16.
In the image above, what is the percentage of the offspring has the possibility of inheriting blood type O?
a)
0%
b)
25%
c)
50%
d)
100%
17.
Which of the following genotypes code for the blood type AB?
a)
IA IA and IA IB
b)
IA IB only
c)
IA IB and IB i
d)
ii only
18.
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
19.
The visual representation of an individual's chromosomes is a
a)
phenotype
b)
genotype
c)
karyotype
d)
stereotype
20.
Males are more likely to suffer from a sex-linked disease or disorder because
a)
males are the weaker sex
b)
males have less DNA
c)
males have 1 X chromosome, so the disorder is more likely to be expressed
21.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
22.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
23.
Look at this cross: XBXb x XBY
What proportion of the male children are colorblind?
a)
100%
b)
75%
c)
50%
d)
25%
24.
Of 12 hamsters just born, 9 have brown fur and 3 have white fur. The trait for white fur is considered to be ________.
a)
recessive
b)
weak
c)
strong
d)
dominant
25.
How many females are in this pedigree?
a)
3
b)
4
c)
6
d)
7
26.
How many of the males in this pedigree show the trait being studied?
a)
2
b)
3
c)
4
d)
6
27.
When 2 pea plants heterozygous for height (Tt) are crossed, what is the ratio of the resulting genotypes (TT:Tt:tt)?
a)
1:2:1
b)
2:1:1
c)
0:3:1
d)
0:2:2
28.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
29.
In the second generation-how many people have the disease or display the physical trait?
a)
2
b)
4
c)
5
d)
6
30.
What do half colored symbols represent?
a)
The individual is a carrier.
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.
31.
What disease is characterized by abnormally shaped red blood cells?
a)
hemophilia
b)
sickle cell anemia
c)
phenylketonuria
d)
Huntington's
32.
Which disorder is characterized by the inability to break down a specific amino acid and can be treated by a special diet?
a)
Huntington's
b)
Tay Sachs
c)
Cystic fibrosis
d)
PKU
33.
Which of the following is a sex-linked disorder?
a)
Hemophilia
b)
Sickle cell anemia
c)
Cystic fibrosis
d)
Huntington's
34.
A genetic disorder is an abnormal condition that a person inherits through genes or chromosomes?
a)
True
b)
False
35.
Cystic fibrosis is a genetic disorder in which the body produces abnormally thick ______ in the lungs and intestines?
a)
Skin
b)
Muscle
c)
Blood
d)
Mucus
36.
What is the genotype of the mother?
a)
BB
b)
bb
c)
Bb
d)
BB or Bb
37.
This pedigree shows a trait that is most likely
a)
autosomal dominant.
b)
sex-linked.
c)
autosomal recessive.
38.
This is a __ trait.
a)
autosomal recessive.
b)
sex-linked.
c)
autosomal dominant.
39.
This trait is
a)
autosomal recessive.
b)
sex-linked.
c)
autosomal dominant.
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