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Questions and Answers
How does meiosis contribute to genetic variation?
How does meiosis contribute to genetic variation?
- By producing identical gametes through independent assortment of chromosomes and no crossing over of alleles
- By producing non-identical gametes through dependent assortment of chromosomes and no crossing over of alleles
- By producing non-identical gametes through independent assortment of chromosomes and crossing over of alleles (correct)
- By producing identical gametes through dependent assortment of chromosomes and crossing over of alleles
What process leads to cells becoming specialized through differential gene expression?
What process leads to cells becoming specialized through differential gene expression?
- Transcription of RNA from DNA
- Post-transcriptional changes to messenger RNA (mRNA) (correct)
- Translation of mRNA into proteins
- Replication of DNA in S phase
Which term refers to a cell's ability to give rise to more than one protein through post-transcriptional changes?
Which term refers to a cell's ability to give rise to more than one protein through post-transcriptional changes?
- Pluripotent cell (correct)
- Stem cell
- Totipotent cell
- Morula
What is the significance of the terms 'morula' and 'blastocyst' in embryonic development?
What is the significance of the terms 'morula' and 'blastocyst' in embryonic development?
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How do proteins control cell processes or determine cell structure?
How do proteins control cell processes or determine cell structure?
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