genetic variation and evolution 0.0 / 5 ? BiologyEvolution, extinction and natural selectionVariation and reproductionGCSEAQA Created by: ellieinichielloCreated on: 15-11-16 21:23 what is a chromosome? DNA wrapped around proteins 1 of 13 what is a gene? Section of DNA - codes for characteristic 2 of 13 How many chromosomes does each gamate have (sex cell?) 23 3 of 13 Zygote: Haploid or Diploid Diploid 4 of 13 What is asexual reproduction? only one parent, no variation - all off springs are gentically identical. e.g. strawberry plants 5 of 13 what is sexual reproduction? 2 parents, the sperm joints the egg. 6 of 13 what is a clone? genetically identical organism 7 of 13 what type of reproduction is cloning? asexual 8 of 13 what is natural selction? survival of the fittest. 9 of 13 what was Larmarks theroy? inheritance of acquired traits. 10 of 13 why do we remove large leaves from cuttings? reduces its water loss 11 of 13 why would new tubers on a plant be genetically identical grown by the same parent through asexual reproduction 12 of 13 why would the plants height be different if grown in different times? different enviromental condtions e.g. climate change. 13 of 13
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