Genes Chromosomes And DNA Flashcards Preview

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Flashcards in Genes Chromosomes And DNA Deck (6)
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1
Q

What is a nucleus?

A

Found in most cells of the body and contains genetic material in the form of chromosomes

2
Q

How many pairs of chromosomes does the human cell nucleus contain?

A

23 pairs

3
Q

What do chromosomes carry?

A

Genes

Different genes control the development of different factors

4
Q

What is a gene?

A

A short length of the chromosome

5
Q

What is a DNA molecule?

A

A quite long length of DNA

The DNA is coiled up to form the arms of the chromosome

6
Q

What are different versions of the same gene called?

A

Alleles

They give different version of a characteristic e.g. Brown or blue eyes