Introduction to Behavioral and Molecular Genetics
9 important questions on Introduction to Behavioral and Molecular Genetics
What is the influence of the unique environment on a trait when the DZ correlation is .42 and the MZ correlation .72?
.28
What is a centromere?
the region of a chromosome where the chromatides attach
When a monozygotic twin brother or sister is diagnosed with Schizophrenia
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Klaas met his wife Willemijn at a support group for families with cystic fibrosis, a recessive genetic disorder. Willemijn and Klaas both have a sister who has been affected with CF and no other family history for this condition. They go to a clinical geneticist to find out what their risk is for a child with this condition.
What do you tell them?
When two traits have a phenotypic correlation of .20-.28 and a genotypic correlation of .39-.50, what does this mean?
When you assess response time on a test to illustrate the link between a gene and IQ, you asses a ........?
Endophenotype
Cases of open adoptions give a less clear image of
Heritability and shared environment
The second law of Mendel implies?
For a certain trait, MZ and DZ correlations are similar, larger than 0 yet smaller than 1. This implies that individual differences in this trait are best explained by?
Shared and unique environmental factors
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