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Difference between revisions of "Gene"

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===About Genes===
 
===About Genes===
 
: There can be several [[allele]]s of the same [[gene]]. A [[human]] will inherit one [[allele]] of a [[gene]] from their mother and another [[allele]] of a [[gene]] from their father.
 
: There can be several [[allele]]s of the same [[gene]]. A [[human]] will inherit one [[allele]] of a [[gene]] from their mother and another [[allele]] of a [[gene]] from their father.
 +
: [[Gene]]s provide the template for [[Protein Synthesis|protein synthesis]].

Revision as of 19:00, 18 November 2018

Key Stage 3

Meaning

A gene is a small unit of DNA that provides instructions for a specific feature of an organism.

About Genes

There is a gene that controls eye colour with a different version of the gene for each colour.
There is a gene that controls whether a person has a widow's peak or not.
There are a number of genes that control the colour of a person's skin or the shape of their nose.
EyeBlue.png
Dalmatian.png
Finch.png
WidowsPeak.png
An eye colour gene controls the colour of a person's eyes. There are several genes that determine the number of spots on a dalmatian. The shape of bird's beak is caused by a number of genes working together. A "widow's peak" is controlled by a particular gene.

Key Stage 4

Meaning

A gene is a small unit of DNA that provides instructions for a specific feature of an organism.

About Genes

There can be several alleles of the same gene. A human will inherit one allele of a gene from their mother and another allele of a gene from their father.
Genes provide the template for protein synthesis.