Chapter 3-4 PSYCH 101 JES

Your ongoing interactions with the environment can also turn genes on or off.

What you eat, whether you smoke or drink, your stress levels, and other environmental factors can influence how your DNA works.

Francis Galton was the first to use the phrase "nature versus nurture"

The contributions of heredity to our physical structure and behaviors.

The contributions of environmental factors and experience to our physical structure and behaviors.

An individuals profiles of alleles.

Observable characteristics.

Small segment of DNA located in a particular place on a chromosome.

The process in which genetic instructions are converted into a feature of a living cell.

Each parent contributes 23 chromosomes.

Gene expression in a nerve cell is different from gene expression in a muscle cell or a skin cell.

One of the several versions of a gene, as in having A,B,or O blood type allele.

Having two of the same alleles for a gene.

Having two different alleles for a gene.

A feature of an allele that only produces a phenotype in the homozygous condition.

A feature of an allele that determines a phenotype in either the homozygous or the heterozygous condition.

Relatedness

The Mothers allele is A and the Fathers allele is A. What blood type does this produce?

The Mothers allele is B and the Fathers allele is O. What blood type does this produce?

The Mothers allele is O and the Fathers allele is O. What blood type does this produce?

The chance that you share an allele with one of your parents is one half, as is the chance that you share an allele with a sibling.

You have a one quarter likelihood of sharing an allele with an aunt or uncle.

Mark all that are true.

Histone modification occurs when certain chemicals interact with the tail or core of histone.

DNA methylation

Behavioral genetics- The scientific field that attempts to identify and understand links between genetics and behavior.

The statistical probability that a trait in one person will be shared by another; usually discussed in relation to identical and fraternal twins.

The statistical likelihood that variations observed in a population are because of genetics.

Heritability refers to populations, not individuals.

Mark all that are true

Adaption- A change because of natural selection.