What is a new method of for computing heritability that may replace the use of twin studies? case studies. total variance statistics. genome-wide association studies adoption studies.

The correct answer is: Genome-wide association studies.

Genome-wide association study is a study of genome-wide set of genetic variants. It is performed in different individuals in order to see if any variant is associated with a trait. Most commonly observed variants are single-nucleotide polymorphisms (SNPs) and their association with traits like major human diseases.

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

you know they are heterozygous for a trait because they have it as jj or jj.