What is the total number of chromosomes in a human body cell?

Chromosomal Abnormalities and Genetic Variation in Human Cells

Interactive Video
•
Biology, Science
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
46
23
92
69
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for having an extra copy of chromosome 21?
Tetrasomy 21
Trisomy 21
Nullisomy 21
Monosomy 21
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What procedure can detect chromosomal abnormalities before birth?
CT Scan
Amniocentesis
Ultrasound
MRI
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many rounds of cell division occur in meiosis?
One
Two
Four
Three
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process during meiosis contributes to genetic variation?
Budding
Crossing over
Binary fission
Mitosis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of abnormal chromosome division?
Too few or too many chromosomes
Double the chromosomes
Correct number of chromosomes
No chromosomes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During which phase do problems with chromosome separation usually occur?
Metaphase
Telophase
Prophase
Anaphase
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