intro

Question 1

what is a codon

Answer 1

sequence of 3 nucleotides

Question 2

how many codons are there

Answer 2

64

Question 3

how many amino acids are there

Answer 3

20

Question 4

how many of the 64 codons are stop codons

Answer 4

3

Question 5

define molecular ecology

Answer 5

the application of molecular techniques to answer ecological questions

Question 6

what process is DNA to RNA

Answer 6

transcription

Question 7

what is translation

Answer 7

reading of RNA to from proteins

Question 8

what is ‘the central dogma of molecular biology’

Answer 8

the flow of information from DNA to RNA to proteins

Question 9

4 forces which affect genetic variation

Answer 9

mutation,
natural / sexual selection,
genetic drift,
migration

Question 10

what is interspecific variation

Answer 10

species variation

Question 11

what is intraspecific variation

Answer 11

population variation

Question 12

what is the downside of limited variation within a species

Answer 12

more vulnerable to extinctions as can’t adapt

Question 13

define adaptation

Answer 13

any feature that promotes fitness and was built by natural selection for its current role

Question 14

reference for adaptation definition

Answer 14

Darwin, 1859

Question 15

natural selection explains … organisms change

Answer 15

how

Question 16

adaptation explains … organisms change

Answer 16

why

Question 17

define fitness

Answer 17

rate of increase of one genotype over other genotypes

Question 18

reference for definition of fitness

Answer 18

Charlesworth, 1980

Question 19

what is genetic adaptive variation

Answer 19

genetic variation that is correlated with fitness

Question 20

is all phenotypic variation adaptive

Answer 20

no