What is the structure that holds two chromatids together until they separate during cell division?
Unit 7 Review

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Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Centromere
2.
FLASHCARD QUESTION
Front
What is the diploid number of human chromosomes?
Back
46
3.
FLASHCARD QUESTION
Front
What is the process of rewriting DNA into mRNA called?
Back
Transcription
4.
FLASHCARD QUESTION
Front
What does DNA code for?
Back
Amino acids
5.
FLASHCARD QUESTION
Front
What occurs when an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome?
Back
Crossing over
6.
FLASHCARD QUESTION
Front
What is the basic unit of heredity in living organisms?
Back
Gene
7.
FLASHCARD QUESTION
Front
What is the process by which cells divide to produce gametes?
Back
Meiosis
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