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Human Genetics

Total questions: 45

Worksheet time: 43mins

Name
Class
Date
1.
Chromosomes that carry genes that determine a person's gender.
a)
sex chromosomes
b)
body chromosomes
c)
irregular chromosomes
d)
autosomes
2.
These produce traits that are more common in one sex than in the other.
a)
sex-linked genes
b)
multiple allele genes
c)
polygenic chromosomes
d)
base pair mutations
3.
A person who has a recessive allele but does not express the trait.
a)
carrier
b)
donor
c)
receptor
d)
genome
4.
A genetic disorder in which a person's blood will not clot properly or not at all.
a)
hemophilia
b)
sickle-cell anemia
c)
cystic fibrosis
d)
hemocytosis
5.
A chart that tracks which members of a family have a particular trait.
a)
pedigree
b)
genetic diagram
c)
manuscript
d)
flow chart
6.
A person with an XY chromosomes pattern will be
a)
a male
b)
tall
c)
smart
d)
athletic
7.
Which of the following combinations of sex chromosomes represent a female?
a)
XY
b)
XXY
c)
XX
8.
How many total chromosomes are shown in a normal human karyotype?
a)
2
b)
46
c)
44
9.
Heterozygous
a)
Tt
b)
TT
c)
tt
d)
00
10.
Homozygous recessive
a)
TT
b)
Tt
c)
tt
d)
AA
11.
Homozygous Dominant
a)
TT
b)
Tt
c)
tt
d)
Rr
12.
The pedigree shows colorblindness in a family. What is the genotype of person #4?
a)
XNY
b)
XnY
c)
XNXn
d)
XnXn
13.
The pedigree shows colorblindness in a family. What is the genotype of person #1?
a)
XNY
b)
XnY
c)
XNYn
d)
XNXn
14.
The pedigree shows colorblindness in a family. What is the genotype of person #2?
a)
XNY
b)
XNX?
c)
XNXn
d)
XnXn
15.
Which chromosomes does a human female inherit?
a)
two copies of every gene located on the X chromosome.
b)
one copy of every gene located on the Y chromosome.
c)
all of the same genes that a human male inherits.
d)
twice as many sex chromosomes as a human male inherits.
16.

The gender of an offspring is determined by

Remember males have XY, females have XX.

a)

the mother

b)

the father

c)

both parents

d)

the offspring

17.
What is the blood type of a person who inherited an A allele and an O allele? Remember A is dominant and O is recessive. 
a)
Type AB
b)
Type A
c)
Type B
d)
Type O
18.

In a pedigree, such as the one in Figure 14–4, a circle represents a(an)

a)

male.

b)

female.

c)

child.

d)

adult.

19.

Which of the following statements can be determined from the karyotype below? (3.2.2)

a)

it is a normal female

b)

it is a female with Down Syndrome

c)

it is a normal male

d)

it is a male with Down Syndrome

20.

Which of the following is determined by multiple alleles?

a)

Rh blood group

b)

ABO blood group

c)

PKU

d)

Huntington's disease

21.

If a karyotype has a trisomy of chromosome 21, the baby has

a)

Edward syndrome

b)

Klinefelter's syndrome

c)

Down Syndrome

d)

no abnormalties,

22.

A characteristic of an organism that is determined by many genes.

a)

Gene therapy

b)

Sex-linked trait

c)

Polygenic

d)

Pedigree

23.

A research effort to sequence and locate the entire collection of genes in human cells.

a)

Gene therapy

b)

Human genome project

c)

Sex-linked trait

d)

Pedigree

24.

What do vertical lines represent in a pedigree?

a)

boys

b)

girls

c)

connect male and female parents

d)

connect parents to offspring

25.
What do horizontal lines represent in a pedigree?
a)
boys
b)
girls
c)
connect male and female parents
d)
connect parents to offspring
26.
A chart or family tree that tracks which members of a family have a particular trait or disease.
a)
Carrier
b)
Karyotype
c)
Pedigree
d)
Genome
27.
A picture of all the chromosomes in a cell arranged in pairs
a)
Pedigree
b)
Karyotype
c)
Genome
d)
Carrier
28.
Colorblindness is more common in males than in females because
a)
Fathers pass the allele for colorblindness to their sons only
b)
The allele for colorblindness is located on the Y chromosome.
c)
The allele for colorblindness is recessive and located on the X chromosome.
d)
Males who are colorblind have two copies of the allele for colorblindness.
29.
The physical appearance of an organism based on traits
a)
Genotype
b)
Phenotype
c)
Meiosis
d)
Genetics
30.
The allele combinations
a)
genetics
b)
mitosis
c)
genotype
d)
phenotype
31.
Hair colour is an example of
a)
genotype
b)
phenotype
32.
Having the genes for baldness is an example of
a)
genotype
b)
phenotype
33.
How tall you are is an example of
a)
genotype
b)
phenotype
34.
Being a carrier of a genetic disorder is an example of
a)
genotype
b)
phenotype
35.
Having blue eyes is an example of
a)
genotype
b)
phenotype
36.

Having the genes for blue eyes is an example of

a)

genotype

b)

phenotype

37.
A molecule in red blood cells that carries oxygen and carbon dioxide.
a)
plasma
b)
platelets
c)
hemoglobin
d)
lymph
38.
Medical researchers are interested in stem cells because they?
a)
are found in all types of tissues
b)
can produce different cells types
c)
are highly specialized
d)
are found only in embryos
39.
What is a stem cell?
a)
a cell that has a stem
b)
an unspecialized cells from which differentiated cells develop 
c)
cells that are found in plant stem
d)
cells that are found in bacteria only
40.
a)
kilo
b)
milli
c)
hemo/heme/hema
d)
bio
41.

Root word meaning fear

a)

fals

b)

phob

c)

cred

d)

anti

42.
What is the definition of the word genesis?
a)
a part of a cell that controls or influences the appearance, growth, etc. 
b)
the beginning of something
c)
a produced, living, or existing naturally in a particular region or enviroment
d)
actual, real or true; not false or fake; sincere and honest
43.

The purpose of selective breeding is to

a)

Get bigger animals that taste good in a gumbo

b)

get smaller plants and animals

c)

create organisms with desirable traits

d)

create animals with bad traits

44.

The 44 human chromosomes other than sex chromosomes

a)

sex-linked genes

b)

karyotypes

c)

genomes

d)

autosomes

45.

This term is used to describe the "water-loving" nature of the phosphate group of chemical ions.

a)

hydrophilic

b)

hydrophobic

c)

aquaponic

d)

hydroponic

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