• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/7

Click to flip

7 Cards in this Set

  • Front
  • Back
What are the two types of variation?
Genetic and Environmental.
Name four inherited unaffected by environment.
Eye colour, Hair colour, Blood group, inherited diseases.
Name four environmental factors.
Body weight, Body height, skin colour, condition of teeth.
In what part of the cell are chromosones found?
In the cell nucleus.
What do chromosones contain?
Genes.
How many cells does the human cell nucleus contain?
23 pairs (46).
What is a mutation?
It's a change in a gene, DNA or the number of chromosomes in a cell which leads to genetic variation.