Unit 3 Test 2

Flashcard
•
Science
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a disadvantage of cloning?
Back
Cloning reduces genetic variation.
2.
FLASHCARD QUESTION
Front
What type of mutation is characterized by an extra chromosome?
Back
Trisomy.
3.
FLASHCARD QUESTION
Front
When do chromosomal mutations generally appear?
Back
Suddenly, because of a mistake in mitosis or meiosis.
4.
FLASHCARD QUESTION
Front
What is the correct sequence of the cell cycle?
Back
G1 → S → G2 → Mitosis.
5.
FLASHCARD QUESTION
Front
How do multiple insertion mutations affect genetic variability?
Back
Yes, because changing the DNA sequence will alter the amino acid sequence that codes for traits.
6.
FLASHCARD QUESTION
Front
What is genetic variation?
Back
Genetic variation refers to the differences in DNA sequences among individuals.
7.
FLASHCARD QUESTION
Front
What is a point mutation?
Back
A point mutation is a change in a single nucleotide in the DNA sequence.
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