Mdcat-past-papers - ETEA - Biology Quiz

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301. Genetic drift is change in the allele frequency of population due to:

Random chance
Non random mating
Natural selection
Artificial selection

302. What is the primary outcome of crossing over during prophase of meiosis 1

Chromosomes duplicate without any exchange of parts
Homologous chromosomes exchange different pairs leading to recombinant chromatids and increased genetic variation
Homologous chromosomes exchange identical parts, resulting in no genetic variation
Non-homologous chromosomes exchange parts

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