Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Chapter 4 Review By Ben Meister
Test Description: Best Quiz Ever BY BEN MEISTER
Instructions: Answer all questions to get your test result.
1) Which of these traits is controlled by a gene with multiple alleles?
A
Blood Type
B
Straight Hairline
C
Widows Peak
D
Smile Dimples
2) What are multiple alleles?
A
More than two genes that control a trait
B
Three or more forms of a gene that code for a single trait
C
Three or more chromosomes that determine a trait
D
More than two codominant genes in a chromosome
3) Why does height in humans have such a wide variety of phenotypes?
A
Height is controlled by a recessive allele.
B
The gene for height has only two alleles.
C
Height is controlled by sex-linked genes.
D
Height is controlled by at least four genes.
4) What controls variations in skin color among humans?
A
Multiple alleles of a single gene
B
At least three genes
C
A person’s diet
D
Two alleles of a single gene
5) Which of these human traits is altered by variations in environment?
A
height
B
hairline
C
blood type
D
smile dimples
6) What factors can affect a person’s height?
A
genes only
B
environmental factors only
C
the sex chromosomes a person inherits
D
both genes and environmental factors
7) Which combination of sex chromosomes results in a male human being?
A
YY
B
XX
C
YX
D
XY
8) Why are sex-linked traits more common in males than in females?
A
All alleles on the X chromosome are dominant.
B
A recessive allele on the X chromosome will always produce the trait in a male.
C
Any allele on the Y chromosome will be codominant with the matching allele on the X chromosome.
D
All alleles on the Y chromosome are recessive.
9) How does a geneticist use pedigrees?
A
to prove that sex-linked traits are caused by codominant alleles
B
to replicate identical strings of DNA
C
to create genetic crosses
D
to trace the inheritance of traits over generations of families
10) 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
*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?