1) Sexual reproduction a) increases variation in a population b) has no affect on variation in a population c) decreases variation in a population 2) Variation which falls into 2 or more groups a) discrete b) continuous 3) Variation which is controlled by ONE gene a) discrete b) continuous 4) Variation which falls within a range of values.  a) discrete b) continuous 5) Variation which is controlled by many genes. a) discrete b) continuous 6) Height is an example of a) discrete variation b) continuous variation 7) Presence of freckles or not is an example of a) discrete variation b) continuous variation 8) Fingernail length is an example of a) discrete variation b) continuous variation 9) Dog coat colour is an example of a) discrete variation b) continuous variation 10) Type of variation represented as a bar graph a) discrete variation b) continuous variation 11) Type of variation represented as a line graph or histogram a) discrete variation b) continuous variation 12) Data involving discrete variation is represented as a a) bar graph b) line graph 13) Data involving continuous variation is represented as a  a) bar graph b) line graph 14) Polygenic means controlled by a) one gene b) many genes 15) Polygenic features result in a) discrete variation b) continous variation 16) Data involving polygenic features may be represented as a a) bar graph b) histogram c) line graph 17) Data showing leg length variety in a population should be represented as a a) bar graph b) histogram 18) Data showing blood group variation in a population should be represented as a a) bar graph b) histogram 19) Data showing how height and arm length are related should be represented as a a) bar graph b) line graph 20) Dog tail length is... a) controlled by one gene b) polygenic

variation practice quiz

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