non mendelian inheritance

Question 1

what is penetrance

Answer 1

measure of expression of a trait

Question 2

what would a 50% penetrance mean for example

Answer 2

only 50% show the expected phenotype

Question 3

in non-medelian inheritance list 2 factors that contribute to disease

Answer 3

genetic modifiers and environmental factors

Question 4

what are genetic modifiers

Answer 4

genes which have an effect on the expression of another gene

Question 5

what is epigenetic modification

Answer 5

heritable changes in gene function

Question 6

is epigenetic modification explained by changes in dna sequencing?

Answer 6

NO

Question 7

what is uniparental disomy

Answer 7

which is when you inherit 2 chromsomes from one parent and none from the other