Inheritance, true or false

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Haemophilia is carried on the X chromosome

2. Statement is true

   No

   Statement

   Sickle cell anaemia is sex-linked

3. Statement is true

   Yes

   Statement

   A male needs only one recessive X allele to show haemophilia

4. Statement is true

   No

   Statement

   Sickle cell alleles are written with X and Y chromosomes

5. Statement is true

   Yes

   Statement

   Both conditions are caused by recessive genes

Instructions

Swipe true or false for each claim.