DNA and Genetics Flashcards
How many chromosomes do most cells in your body have
46 (23 pairs)
Which cells in your body have less chromosomes than the others if your a boy
Sperm Cells
Which cells in your body have less chromosomes than the others if your a girl
Egg cells
Why do sperm and egg cells have less cells than the other cells in your body
They have 23 chromosomes so that when they join with their counterpart they fuse their nuclei and join their chromosomes to make 23 pairs
How many chromosomes does a sperm cell have
23
How may types of variation are there
2
What are the 2 types of variation
Inherited and Environment Variation
What are some examples of environmental variation
Weight, scars, hair colour (if dyed) and bruises
What are some examples of inherited variation
Eye colour, natural hair colour, race and facial features
What is variation
Variation is the variety between a species
