Module 10 Flashcards
what is behavior genetics
the study of the relative power and limits of genetic and environmental influences on behavior
what is heredity
the genetic transfer of characteristics from parents to offspring
environment
every nongenetic influence, from prenatal nutrition to the people and things around us
what does the nucleus of every cell contain
the nucleus of every human cell contains chromosomes, each of which is made up of two strands of DNA connected in a double helix
what are genes
genes are DNA segments that when expressed direct the development of proteins that influence a person’s individual development
how do identical twins develop
they develop from a single fertilized egg that splits
how do fraternal twins develop
they develop from two seperate fertilized eggs
what is temperament
emotional reactivity and excitability
what is heredity
how much differences among people are due to genes
what is adaptive capacity
the behavioural hallmark of our species
molecular genetics
the sub field of biology that studies the molecular structure and function of genes
epigenetics
triggers that switch genes on and off
