what is inheritance?. the royal family inherited characteristic or not? hair colourleft or right...
TRANSCRIPT
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What is inheritance?
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The Royal Family
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Inherited Characteristic or Not?Hair Colour Left or Right Handed
Eye Colour Ability to roll tongue
Height Blood Group
Weight Sex
Freckles Hair Length
Attached Ear Lobes Ability to play football
Allergies Ability to play computer games
Tatoos Dimples
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Inheritance
Many characteristics of living things are determined by genes inherited from our parents.
But a gene can have different forms; these are called alleles.
https://www.glowscience.org.uk/mindmap/#!/biology/cells_and_dna/genetics
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AllelesDifferent forms of the same gene…
Gene Alleles
Eye colour
Fur colour
Flower colour
Ear shape
Wing shape
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Chromosomes: chromosomes are large pieces of DNA. Humans have 23 pairs of chromosomes in most cells.
Genes: genes are sections of chromosomes, each codes for a different characteristic e.g. blood type, eye colour, etc.
Alleles: different forms of the same gene
Gene AllelesEye colourBlood typeEar shape
Flower colour
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PhenotypeThis is what an organism looks like…
Green eyesGreen eyes
Brown hairBrown hair
Short heightShort height
Lobbed earsLobbed ears
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GenotypeThis is the forms of a gene an organism carries in its DNA
Dad: Blue Eyes Mum: Green Eyes
Me: Green eyes
Phenotype: Green EyesGenotype: I carry a green and blue eyed gene
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Eye Colour – Freaky Baby
http://www.abpischools.org.uk/lib/liInteractiveAnim/471/eyecolour.swf
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Dog Genotype and Phenotype Activity
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Links• http://www.abpischools.org.uk/lib/liInteractiveAnim/133/cystic-fibrosis-rollover
-tree.swf
• http://www.abpischools.org.uk/lib/liInteractiveAnim/471/eyecolour.swf• http://www.abpischools.org.uk/lib/liInteractiveAnim/138/genetic-diagram-for-bl
oodgroups.swf• http://www.abpischools.org.uk/lib/liInteractiveAnim/134/diagram-for-sex-of-
offspring.swf• http://www.abpischools.org.uk/lib/liInteractiveAnim/139/genetic-diagram-
tongue-rolling.swf • http://www.abpischools.org.uk/lib/liInteractiveAnim/140/humtingtons-disease-
rollover-tree.swf