polydactlyly and cystic fibrosis

Question 1

what are alleles?

Answer 1

different versions of the same gene

Question 2

cystic fibrosis is a disorder of ____ _____?

Answer 2

cystic fibrosis is a disorder of cell membranes

Question 3

what type of allele causes cystic fibrosis?

Answer 3

a recessive allele

Question 4

people with one copy of cystic fibrosis allele wont have the disorder, what are they called?

Answer 4

carriers

Question 5

people with polydactyly will have extra ___ or ___?

Answer 5

people with polydactyly will have extra fingers or toes

Question 6

what type of allele causes polydactly?

Answer 6

a dominant allele

Question 7

why can you not be a carrier of polydactyly?

Answer 7

if you have dominant allele, you will have the characteristic

Question 8

what happens in embryo screening?

Answer 8

embryos are tested to see if they have the alleles for inherited disorders

Question 9

name 3 pros for embryo screening?

Answer 9

-reduced number of people suffering from inherited disease
-treating disease is expensive
-many regulations are in place to stop it from going too far

Question 10

name 3 cons for embryo screening?

Answer 10

-expensive, money could be spent elsewhere
-could encourage people picking characteristics which could lead to designer babies
-may promote prejudice as it suggests those with genetic disorders wont live a full life or are unwanted