Indicate whether each statement is True or False.

Group of answer choices

The heritability of substance use is lower in more permissive environments.

$[$ Choose $]$False$$True$$

The heritability of IQ is lower with lower socio$-$economic status.

$[$ Choose $]$False$$True$$

A true breeding plant or animal must be homozygous for the allele causing the phenotype.

$[$ Choose $]$False$$True$$

Allelic associates studies to date suggest that most complex traits are Mendelian.

$[$ Choose $]$False$$True$$

Exons are the parts of genes that code for proteins.

$[$ Choose $]$False$$True$$

Mendel$$s law of segregation says that the inheritance of one gene is not affected by the inheritance of another gene.

$[$ Choose $]$False$$True$$

GWASs do not support the importance of most of the candidate genes that were examined before GWAS was feasible.

$[$ Choose $]$False$$True$$

GWASs typically only look at rare genetic variants.

$[$ Choose $]$False$$True$$

If a variant is significant in a GWAS, it suggests that variant directly causes the phenotype.

$[$ Choose $]$False$$True$$

GWASs for psychopathology have still not explained most of the genetic influences estimated in family studies.

$[$ Choose $]$False$$True$$

Heritability estimates for a psychiatric disorder will be downwardly biased by poor measurement.

$[$ Choose $]$False$$True$$

The genetic factors that increase the risk of substance initiation and heavier use are essentially identical to those that increase risk of substance use disorder.

$[$ Choose $]$False$$True$$

Most cases of intellectual disability would be classified as mild.

$[$ Choose $]$False$$True$$

Severe intellecutal disability is more familal than mild intellectual disability.

$[$ Choose $]$False$$True$$