genes, inheritance & human development 2.0 / 5 based on 1 rating ? Health & Social CareUnderstanding human behaviour and developmentASEdexcel Created by: TitchCreated on: 03-12-12 10:36 how many chromosomes in each human cell? 46 1 of 5 what are genes? things that code for specific traits. 2 of 5 what causes diseases like down's syndrome and klinefelters? chromosomes 3 of 5 what is normally wrong with the chromosomes for people with downs syndrome? an extra chromsome 4 of 5 who does turner's syndrome affect? females 5 of 5
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