genetic diversity and spearmans rank

Question 1

when does genetic diversity occur

what is a locus

Answer 1

where there is more than one allele for a particular locus

locus= position of a gene on a chromosome

Question 2

what is polymorphic gene

Answer 2

if a gene has 2 or more versions of it e.g blue brown eye colours

Question 3

how do you calculate genetic diversity

Answer 3

proportion of polymorphic gene loci= number of polymorphic gene loci/ total number of loci

Question 4

what is spearmans rank used for

Answer 4

test to use if you want to determine if two variables are connected, is there an association or correlation

Question 5

what is the spearmans rank correlation coefficient

Answer 5

n= number of individuals in the sample

d= difference in the rank of two measurements of an individual

Question 6

what does a negative and positive value for spearmans rank imply?

Answer 6

negative = negative correlation

positive= positive correlation

Question 7

what is the null hypothesis for spearman’s rank

Answer 7

there is no statistically significant correlation between measurements 1 and 2