genetics

Question 1

what is natural selection

Answer 1

differential reproductive success as a consequence of differences in heritable attributes

Question 2

what are the two classes of adaptions

Answer 2

1. survival adaptions - shivering mechanisms, developing a craving for fats and sugars, fear of spiders and snakes
2. reproduction - sexual selection

Question 3

what are the two processes that happen due to sexual selection

Answer 3

1. intrasexual competition - members of one sex compete against each other and the winner gets to mate
2. intersexual competition - preferential mate choice - sexually attracted to certain qualities in mates

Question 4

who noticed that there were many traits or organisms that could not be explained by survival selection

Answer 4

darwin

Question 5

gene selection theory

Answer 5

genes that are better able to encourage the organism to reproduce then replicates themselves in the organisms offspring

Question 6

what are the two ways that genes can boost their own replicative success?

Answer 6

1. influence the odds for survival
2. influence organism to help other organisms who also likely contain those genes

Question 7

what are psychological adaptations

Answer 7

mechanisms of the mind that have evolved to solve specific problems of survival or reproduction

Question 8

sexual strategies theory

Answer 8

humans have evolved a list of different mating strategies both short and long term that vary depending on culture, social context parental influence and personal mate value

Question 9

error management theory

Answer 9

the evolution of cognitive biases that lead to judgements and decisions we make in situations of uncertainty

Question 10

observable characteristics as a result of genotype expression are known as

Answer 10

phenotypes

Question 11

what in identical twins becomes more dissimilar as they age

Answer 11

epigenetic patterns

Question 12

how many pairs of chromosomes does everyone have

Answer 12

23