Variation and inheritance

4 important questions on Variation and inheritance

Name 2 types of characteristics which cause individual variation.

Inherited (diseases, skin colour)
aquired (body mass, scar)

How are gametes formed and what is their role?

Formed by cell division, they contain a nucleus with DNA which will be combined at fertilisation.

What does a nucleus of a spermcell (gamete) contain?

23 chromosomes
  • Higher grades + faster learning
  • Never study anything twice
  • 100% sure, 100% understanding
Discover Study Smart

How are the short sections of DNA called which a chromosome is made of?

Genes (coded information for the production of a proteine for a cell)

The question on the page originate from the summary of the following study material:

  • A unique study and practice tool
  • Never study anything twice again
  • Get the grades you hope for
  • 100% sure, 100% understanding
Remember faster, study better. Scientifically proven.
Trustpilot Logo