Exam-style Questions: Genes and Genetics

  1. Name 4 animal characteristics that are not affected at all by the environment.

    (Marks available: 4)

    Answer

    Answer outline and marking scheme for question: 1

    (i) eye colour;

    (ii) hair colour;

    (iii) inherited diseases;

    (iv) blood group.

    (Total = 4 marks)

  2. Which statement is the correct one - a or b?

    a) Cytosine and Guanine join; Adenine and Thymine join.

    Or..

    b) Adenine and Guanine join; Cytosine and Thymine join.

    (Marks available: 1)

    Answer

    Answer outline and marking scheme for question: 2

    a) is the correct statement.

    (Total = 1 marks)

  3. Fill in the missing words...

    Mitosis is the process used during ___(i)___ to make new cells within a ___(ii)___ or ___(iii)___. It is also used during ___(iv)___ reproduction, in which an individual can ___(v)___ itself to produce identical offspring.

    (Marks available: 5)

    Answer

    Answer outline and marking scheme for question: 3

    (i) growth;

    (ii) plant / animal;

    (iii) animal / plant;

    (iv) asexual;

    (v) clone.

    (Total = 5 marks)

  4. Fill in the missing words...

    Meiosis is used to create the___(i)___, these are the ___(ii)___ or ___(iii)___ used in ___(iv)___ reproduction. The offspring produced during this kind of reproduction have ___(v)___ that are selected from those of the parents.

    (Marks available: 5)

    Answer

    Answer outline and marking scheme for question: 4

    (i) gametes;

    (ii) sperm;

    (iii) eggs;

    (iv) sexual;

    (v) characteristics.

    (Total = 5 marks)