Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Cells And Inheritance
Test Description: Test for science
Instructions: Answer all questions to get your test result.
1) What are multiple alleles?
A
more than two co-dominant genes in a chromosome
B
three or more chromosomes that determine a trait
C
three or more forms of a gene that code for a single trait
D
two genes that control a trait
2) Why does height in humans have such a wide variety of phenotypes?
A
Height is controlled by sex-linked genes
B
Height is controlled by a recessive allele
C
Height is controlled by multiple alleles
D
The gene for height has only two alleles
3) Which of these human traits can be altered by variations in the enviornment
A
smile dimples
B
blood type
C
height
D
hairline
4) Which combination of sex chromosomes results in a male?
A
XX
B
YY
C
XY
D
either XX or YY
5) What is a pedigree?
A
a geneticist who studies the inheritance of traits in humans
B
a chart that tracks which members of a family have a particular trait
C
a picture of all of the chromosomes in a cell
D
an allele passed from parent to child on a sex chromosome
6) Genetic disorders are caused by:
A
sickle-shaped cells
B
mutations
C
pedigrees
D
dominant alleles
7) What is a karyotype?
A
a picture of the chromosomes in a cell
B
blood from a newborn baby
C
fluid that surrounds a baby before it is born
D
a picture of a baby before it is born
8) There are at least how many genes in each cell?
A
25,000
B
15,000
C
46
D
35,000
9) No two people have the same DNA, except for:
A
crime suspects
B
brothers
C
identical twins
D
sisters
10) What is a genome?
A
all the karyotypes in a cell
B
all the DNA in one cell of an organism
C
all the cells produced during meiosis
D
all the plasmids from splicing DNA in a cell
11) Sex-linked genes are genes on:
A
the Y chromosome only
B
the X chromosome only
C
all 23 pairs of chromosomes
D
the X and Y chromosomes
12) A carrier is a person who has:
A
one recessive and one dominant allele for a trait
B
two dominant alleles for a trait
C
two recessive alleles for a trait
D
more than two alleles for a trait
13) DNA is replicated
A
during meiosis.
B
during cytokinesis
C
before meiosis begins
D
at the end of meiosis.
14) A person’s surroundings, or _________________, can change the effects of a person’s genes.
A
enviornment
B
diet
C
amount of sleep
D
all of the above
15) Various combinations of _______________________ at each of several genes control human skin color.
A
chromosomes
B
alleles
C
DNA
D
traits
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?