Topic 6.9 - 6.11: Inheritance and gentic disorders

Question 1

Wbat does Homozygous mean

Answer 1

having two of the same alleles in a genotype
AA or aa

Question 2

What does heterozygous mean

Answer 2

having different alleles in the same genotype
Aa

Question 3

How do you inherit cystic fibrosis (what is the genotype)

Answer 3

ff
because it is recessive

Question 4

What is a genotype

Answer 4

the two letters that show the allele
AA, Aa, aa

Question 5

What is the phenotype

Answer 5

the characteristic that the alleles code for

Question 6

What is polydactyly

Answer 6

A condition that causes children to be born with extra fingers or toes

Question 7

What is cystic fibroses

Answer 7

an inherited disorder that cause a build up of sticky thick mucus on the lungs and pancreas caused by a disorder of cell membranes

Question 8

How do you inherit polydactyl (what is the genotype)

Answer 8

PP or Pp
Because it is dominant

Question 9

What is embryo screening

Answer 9

after IVF has taken place an embryo can be genetically tested to see if it has any conditions and then the doctors may choose to discard this embryo and place another one back in the uterus

Question 10

What are the pros of embryo screening

Answer 10

reduce overall suffering as general health is improved
cost less money