Genomics

Question 1

What is an autosome?

Answer 1

All chromosomes apart from sex chromosomes

Question 2

What is a pedigree chart?

Answer 2

Another term for a family tree

Question 3

Give these facts about autosomal recessive traits

Answer 3

• can pass through generations
• relatively rare
• males and females effected equally

Question 4

Give five facts about autosomal dominant traits

Answer 4

• trait appears in every generation
• each sufferer has an effected parent
• males and females effected equally
• all non sufferers must be hh homozygous recessive
• if a branch of the tree fails to make the trait appear then future generations won’t be affected

Question 5

Give a facts about sex linked recessive traits

Answer 5

• many more males affected by females