Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
DNA, Genetics And Evolution (5)
Test Description: DNA, Genetics and Evolution -Middle School - Life Science
Instructions: Answer all questions to get your test result.
1) DNA is sometimes referred to as a ladder. Which two molecules make up the sides of the DNA ladder? (sugar usually ends in ose)
A
phosphate and nitrogen base
B
phosphate and ribose
C
phosphate and deoxyribose
D
nitrogen base and ribose
2) What is NOT an example of DNA technology currently used in agriculture?
A
The development of pesticide resistant crop plants
B
The use of growth hormones produced from recombinant bacteria to increase milk production
C
The development of frost resistant crop plants
D
The cloning of human nerve cells from corn plants
3) How many chromosomes are normally found in a human sex cell?
A
23
B
48
C
2000
D
46
4) In Deoxyribonucleic acid, Adenine pairs with the nitrogen base -
A
adenine
B
cytosine
C
thymine
D
guanine
5) Which would NOT represent an inherited trait?
A
Blue eyes
B
Dimples
C
Curly hair
D
Popping your knuckles
6) What is an organism called that has two different genes for a trait? (examples: Tt or Rr)
A
A hybrid or heterozygous
B
A purebred or homozygous
C
A mutation
D
An endangered species
7) Scientists have genetically engineered certain crops to be resistant to the harmful effects of pesticides. What is one advantage of this modification?
A
The farmer will produce crops that could be potentially harmful to human consumption.
B
The crops could potentially pass this modification onto the pest, which would allow the pest to eat the crops.
C
The crops could have slower growing rates because of their modified genes.
D
The farmer will not kill his crops when defending them against a pest.
8) What is NOT a principle of genetics?
A
Recessive traits always show up in the offspring.
B
Genes are usually dominant or recessive.
C
Traits are passed from parents to offspring.
D
Traits are determined by gene pairs.
9) What do we call the trait that hides or masks another trait?
A
Incomplete dominance
B
A recessive trait
C
DNA replication
D
A dominant trait
10) If the tall trait is dominant over the short trait, which would be used to represent the dominant trait?
A
s
B
S
C
t
D
T
*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?