What does a heritability coefficient of .88 for identical twins and .42 for fraternal twins suggest about intelligence?
C) Intelligence is impacted by genetics
According to Trivers’ Parental Investment Theory, equal investment by both parents predicts which mating system?
D) A monogamous mating system
Research showing that rat pups raised in stimulating environments develop larger neurons and more dendrite branches supports:
neural plasticity and the idea that environment impacts brain development
What refers to the specific genetic makeup of an individual?
Genotype
What is a chromosome?
DNA structures wrapped protein, not synonymous with genes or phenotypes.
How are chromosomes transmitted from parents to offspring?
Every human inherits 23 chromosomes from each parent, totaling 46.
What is the gene knockout procedure?
It’s used to study the role of specific genes by disabling them.
What is the key issue emphasized in genetic engineering research?
Ethical concerns
A child has a 50% chance of sharing any particular gene with whom?
mom, dad, fraternal twin, non-twin sibling
Which human trait has the highest heritability coefficient?
Height is strongly influenced by genetics compared to personality traits.
Who coined the term Social Darwinism and what does it explain?
Spencer and it explains that some genes are superior to other genes
According to evolutionary psychology, sexual jealousy as a cause of homicide supports which function of aggression?
competing for resources (a mate is considered a resource)
