Science - Genetics

  1. What is gennetics?
    This is the study of the way characteristics are passed on from one generation to the next
  2. Explain what is meant by a variation
    These are things that make people look different
  3. List the two types of variations and give an example of each type.
    Inherited - eye colour and hair colour

    Non-inherited - knowledge and skills
  4. What is a chromosome?
    These are thread-like structures found in the nucleus of a cell
  5. Where are chromosomes located (found)?
    Nucleus
  6. What are chromosomes made up of?
    DNA and protein
  7. How many chromosomes does a human have?
    46
  8. How many chromosomes are in sperm?
    23
  9. How many chromosomes are in eggs?
    23
  10. What is a gene?
    This is a short piece of a chromosome that has information about one inhertied feature eg. a gene for eye colour
Author
mshowley
ID
150695
Card Set
Science - Genetics
Description
Genetics
Updated