-Genes And Inheritance-

Question 1

What is an allele?

Answer 1

An allele is a pair of genes that code for a certain characteristic

Question 2

Which of the following is an example of a genetic condition?

Answer 2

Cystic fibrosis

Question 3

You need two copies of the faulty allele to have cystic fibrosis. This means that the allele is:

Answer 3

Recessive

Question 4

Where are chromosomes found in a cell?

Answer 4

Nucleus

Question 5

What type of condition is sickle cell disease?

Answer 5

Two faulty copies of the allele are needed so the condition is recessive.

Question 6

Why do doctors use pedigree analysis?

Answer 6

A pedigree analysis can work out the chance of a person inheriting a genetic condition.