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Science - Genetics
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What is gennetics?
This is the study of the way characteristics are passed on from one generation to the next
Explain what is meant by a variation
These are things that make people look different
List the two types of variations and give an example of each type.
Inherited - eye colour and hair colour
Non-inherited - knowledge and skills
What is a chromosome?
These are thread-like structures found in the nucleus of a cell
Where are chromosomes located (found)?
Nucleus
What are chromosomes made up of?
DNA and protein
How many chromosomes does a human have?
46
How many chromosomes are in sperm?
23
How many chromosomes are in eggs?
23
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
2012-04-28T17:59:42Z
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