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Cell Division and Genetics · CSEC Human and Social Biology

44 past-paper questions on Cell Division and Genetics, part of Section C: Heredity and Variation, from every CSEC Human and Social Biology paper on Quelpr.

Practise Cell Division and Genetics
  1. 7(a)(i)1 mark· CSEC Human and Social Biology · January 2008 · Paper 2Define the term 'mitosis'.
  2. 7(a)(ii)1 mark· CSEC Human and Social Biology · January 2008 · Paper 2Define the term 'meiosis'.
  3. 7(a)(iii)1 mark· CSEC Human and Social Biology · January 2008 · Paper 2Define the term 'genetic inheritance'.
  4. 7(b)2 marks· CSEC Human and Social Biology · January 2008 · Paper 2Complete the sequence of mitotic stages shown in Figure 3 by writing the correct letters in order starting from D.
  5. 7(c)(i)2 marks· CSEC Human and Social Biology · January 2008 · Paper 2Give TWO reasons why mitotic cell division is important in living organisms.
  6. 7(c)(ii)2 marks· CSEC Human and Social Biology · January 2008 · Paper 2State TWO occurrences of mitosis within the human body.
  7. 7(c)(iii)1 mark· CSEC Human and Social Biology · January 2008 · Paper 2Suggest ONE application of mitosis in medical science.
  8. 8(a)3 marks· CSEC Human and Social Biology · January 2009 · Paper 2Complete the statement by filling the blanks using words from the list: (ribosome, DNA, RNA, chromosome, cytoplasm, nucleus).
  9. 8(b)5 marks· CSEC Human and Social Biology · January 2009 · Paper 2Complete Table 2 by listing five correct differences distinguishing mitosis from meiosis.
  10. 8(c)2 marks· CSEC Human and Social Biology · January 2009 · Paper 2Deduce the genotypes of Mr and Mrs Browne and show the genetic cross working to determine the genotypes of their children.
  11. 7(b)1 mark· CSEC Human and Social Biology · January 2010 · Paper 2What is the name of the chemical which forms a gene?
  12. 7(d)(i)4 marks· CSEC Human and Social Biology · January 2010 · Paper 2Complete Figure 5 to show how sex (gender) is inherited in humans, showing parental genotypes, gametes, offspring genotypes, and offspring phenotypes.
  13. 7(d)(ii)2 marks· CSEC Human and Social Biology · January 2010 · Paper 2Use your answer to (d)(i) to explain why the number of males and females in a population is approximately the same.
  14. 7(a)(i)1 mark· CSEC Human and Social Biology · January 2011 · Paper 2What is meant by the term 'chromosome'?
  15. 7(a)(ii)1 mark· CSEC Human and Social Biology · January 2011 · Paper 2What is meant by the term 'heterozygous'?
  16. 7(b)1 mark· CSEC Human and Social Biology · January 2011 · Paper 2State the number of chromosomes found in human muscle cells.
  17. 7(c)(i)4 marks· CSEC Human and Social Biology · January 2011 · Paper 2On Figure 4, write the genotypes for the offspring in the F1 generation.
  18. 7(c)(ii)1 mark· CSEC Human and Social Biology · January 2011 · Paper 2Name the child who is homozygous dominant.
  19. 7(c)(iii)2 marks· CSEC Human and Social Biology · January 2011 · Paper 2Name ONE child who is short and ONE child who is tall.
  20. 5(a)3 marks· CSEC Human and Social Biology · January 2013 · Paper 2Define the terms 'gene' and 'dominance'.
  21. 5(b)(i)3 marks· CSEC Human and Social Biology · January 2013 · Paper 2Explain what is meant by the term 'carrier'.
  22. 5(b)(ii)5 marks· CSEC Human and Social Biology · January 2013 · Paper 2Complete the Punnett square for a cross between Mrs Trinbage (X^H X^h) and her husband, who is normal (X^H Y^H).
  23. 5(b)(iii)4 marks· CSEC Human and Social Biology · January 2013 · Paper 2Describe the possible phenotypes of their offspring.
  24. 6(b)2 marks· CSEC Human and Social Biology · January 2014 · Paper 2Explain how the chromosome number of an individual with Down's syndrome differs from that of a normal person.
  25. 6(c)6 marks· CSEC Human and Social Biology · January 2014 · Paper 2Use a Punnett square to determine the genotypes of the offspring from a cross between a female carrier of red-green colour blindness (X^R X^r) and a normal male (X^R Y^-), and state the phenotype of EACH offspring.
  26. 11(a)3 marks· CSEC Human and Social Biology · May/June 2009 · Paper 2Complete Table 1 to show THREE differences between mitosis and meiosis based on occurrence, chromosome number, and genetic variation.
  27. 11(c)(i)8 marks· CSEC Human and Social Biology · May/June 2009 · Paper 2Using a clearly labelled genetic diagram or Punnett square starting from carrier female (XH Xh) and normal male (XH Y-), show the genotypes and phenotypes of the offspring to demonstrate how haemophilia is passed to one…
  28. 11(c)(ii)2 marks· CSEC Human and Social Biology · May/June 2009 · Paper 2Identify which child, John or Jenny, inherited haemophilia, giving a reason for the answer.
  29. 11(e)(i)1 mark· CSEC Human and Social Biology · May/June 2009 · Paper 2State whether albinism is caused by dominant or recessive alleles.
  30. 11(e)(ii)2 marks· CSEC Human and Social Biology · May/June 2009 · Paper 2Suggest ONE distinguishing characteristic of an albino individual and ONE precaution they must take in daily life.
  31. 4(a)(i)1 mark· CSEC Human and Social Biology · May/June 2013 · Paper 2State which type of cell division results in identical offspring.
  32. 4(a)(ii)1 mark· CSEC Human and Social Biology · May/June 2013 · Paper 2State the number of chromosomes that will be found in the daughter cells of mitosis.
  33. 4(a)(iii)1 mark· CSEC Human and Social Biology · May/June 2013 · Paper 2In which type of cell does mitosis take place?
  34. 4(b)(i)1 mark· CSEC Human and Social Biology · May/June 2013 · Paper 2State the name of the event during meiosis in which there is the exchange of small parts of DNA between homologous chromosomes.
  35. 4(b)(ii)2 marks· CSEC Human and Social Biology · May/June 2013 · Paper 2State the source of the homologous chromosomes and the importance of the event named in (b)(i).
  36. 4(a)2 marks· CSEC Human and Social Biology · May/June 2014 · Paper 2Complete the sentences: Meiosis is a type of cell division in which the chromosome number is [blank]. At the end of meiosis in humans, each daughter cell contains [blank] chromosomes.
  37. 4(b)(i)1 mark· CSEC Human and Social Biology · May/June 2014 · Paper 2Name the type of cell in which meiosis occurs.
  38. 4(b)(ii)2 marks· CSEC Human and Social Biology · May/June 2014 · Paper 2State TWO differences between mitosis and meiosis.
  39. 4(c)1 mark· CSEC Human and Social Biology · May/June 2014 · Paper 2Name a genetic disease that results if the zygote receives an extra chromosome.
  40. 5(a)(i)3 marks· CSEC Human and Social Biology · May/June 2015 · Paper 2Name the cell division process by which gametes are produced and state its importance to fertilization.
  41. 4(a)(i)1 mark· CSEC Human and Social Biology · May/June 2016 · Paper 2Identify the type of cell division illustrated in Figure 4.
  42. 4(a)(ii)1 mark· CSEC Human and Social Biology · May/June 2016 · Paper 2State whether sex cells or somatic cells are produced by this process.
  43. 4(a)(iii)2 marks· CSEC Human and Social Biology · May/June 2016 · Paper 2State the chromosome number of the parent cell and of each daughter cell in humans.
  44. 4(a)(iv)2 marks· CSEC Human and Social Biology · May/June 2016 · Paper 2State the TWO types of sex chromosomes that fathers can pass to their offspring.

Related topics in Section C: Heredity and Variation