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LABEL THESE!

LABEL THESE!. VARIATION (D________ between us) I_____________ factors are caused by your GENES. E.g.__________________ E___________ factors are caused by your surroundings and how you live your life. E.g.__________________. You & Your Genes 1. D = dimples d = no dimples

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LABEL THESE!

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  1. LABEL THESE! VARIATION (D________ between us) I_____________ factors are caused by your GENES. E.g.__________________ E___________ factors are caused by your surroundings and how you live your life. E.g.__________________ You & Your Genes 1 D = dimples d = no dimples Which is dominant? _____________ How do you know? ______________ Does this person have dimples? ____ The genotype is _________ What is the genotype of someone with no dimples? ___________ The ‘no-dimple’ gene is r__________ D d Inheritance means ________ WHERE DID YOU GET YOUR GENES?? + SEX CHROMOSOMES XX = _______ XY = _______ From your ____ From your ____ • Put a round the Dad • Put a round a letter that represents an egg • Fill in the chart • There is a ____% chance the baby will be a girl. • Which parent determines the baby’s sex? The fertilised egg will become an e_______, then a f_______, and eventually, a b______. YOU! Fertilised egg Put the number of chromosomes in the boxes.

  2. Gene therapycan be used to cure some ________. It is still in the early stages of development. • GENETIC DISEASES • are caused by f_______ genes. • Examples: • __________ ___________ • Symptoms: thick, sticky _______ • Affects: _______ & __________ systems • 2. ________________ Disorder • Symptoms: loss of co-ordination and memory • Affects: __________ system HEALTHY GENE Make lots of ________ f F F F F F Put into ______ of patient F F Patient’s cells reproduce – with healthy gene! You & Your Genes 2 F F F F What is PGD? Some of the ‘left-over’ embryos are used to make STEM CELLS. What are stem cells? Why are they useful? Inheritance of CF A carrier of CF is a person with one normal and one faulty allele of the CF gene. The faulty one is r_________. What is the chance of two carriers having a child with CF?

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