Biology-B1 topic 1 0.0 / 5 ? BiologyB1-Topic 1GCSEEdexcel Created by: Zoe002Created on: 12-05-16 21:30 What is the order of classification? Kingdom, Phylum, Class, Order, Family, Genus and Species 1 of 17 What Kingdom are viruses in? None 2 of 17 Heterotrophic feeder meaning eating and digesting food 3 of 17 Autotrophic feeder meaning using energy source to make food 4 of 17 Saprophytic feeder meaning digesting food outside the body and then absorbing it 5 of 17 What is the definition of Species? When two organisms can interbreed to produce fertile offspring 6 of 17 What is the genus of Erithacus Rubcula? Erithacus 7 of 17 How many chromosomes are in the human body? 46 8 of 17 what are genes? carry instructions for characteristics e.g eye colour 9 of 17 What are alleles? alternate forms of a gene e.g tall or brown eyes 10 of 17 What is phenotype? Physical appearance e.g blue eyes or brown eyes 11 of 17 What is genotype? genetic makeup e.g bb or BB 12 of 17 Homozygous dominant BB 13 of 17 Homozygous recessive bb 14 of 17 Heterozygous Bb 15 of 17 What allele is cystic fibrosis caused by? cc 16 of 17 What allele is sickle cell anaemia caused by? cc 17 of 17
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