Key Terminology (Grade 12 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What are chromosomes composed of?
What are chromosomes composed of?
DNA and proteins
What is a chromatid?
What is a chromatid?
One of 2 identical strands of replicated chr
What is the function of the centromere?
What is the function of the centromere?
Attachment point for sister chromatids
What characterises diploid cells?
What characterises diploid cells?
Two complete sets of chromosomes
What characterises haploid cells?
What characterises haploid cells?
Only one complete set of chromosomes
What is crossing over?
What is crossing over?
Exchange of genetic material in prophase I
What are chiasmata?
What are chiasmata?
Points where chromatids overlap & exchange
What is karyokinesis?
What is karyokinesis?
Nuclear division
What is cytokinesis?
What is cytokinesis?
Cytoplasmic division
What is non-disjunction?
What is non-disjunction?
Failure of chromosomes to separate properly