Understanding Genetics
Interactive Video
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Nancy Jackson
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shape of DNA?
Quadruple helix
Triple helix
Double helix
Single helix
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a nitrogen base found in DNA?
Uracil
Cytosine
Thymine
Adenine
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are segments of DNA that determine characteristics called?
Chromosomes
Genes
Nucleotides
Alleles
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many chromosomes do humans have?
78
48
46
23
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are alternate forms of a gene called?
Chromosomes
Nucleotides
Alleles
Bases
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