. BMI (Body mass index) is the ratio mass in kilograms to the square of height in kilograms Between 18 and 25 is normal. Below 18 is low and above 25 is high. You are looking for SNPS that correlate with low BMI. You look at a number of individuals and look at their BMIS And look at several SNPS. Which SNP best correlates with low BMI? BMI 25 16 31 15 26 SNP1 A A A A T SNP2 G G G C C SNP3 T T T C C SNP4 A cl A C A What is exome sequencing? Give an application.
Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
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