Pedigrees

Question 1

What is a pedigree

Answer 1

A pedigree is a diagram that shows a family tree.

Question 2

illustrate a key including -
- females
- males
- affected female
- affected male
- female carrier

Answer 2

check your answers

Question 3

draw a diagram representing individuals are identical twins

Answer 3

check your answer

Question 4

draw a diagram representing individuals as non-identical twins

Answer 4

check your answer

Question 5

draw a diagram including a consanguinous line

Answer 5

check your answer

Question 6

what does a consanguineous line represent

Answer 6

This means individuals originating from the same family have a relationship. (Incest)

Question 7

How can you identify if a characteristic is recessive? Use a diagram to support your answer

Answer 7

Two unshaded parents with a shaded kid mean the characteristic is recessive.

Question 8

How can you identify if a characteristic is dominant? Use a diagram to support your answer

Answer 8

Two shaded parents with an unshaded kid mean the characteristic is dominant.