logo

Cambridge IGCSE Biology practice

Paper 4 structured question: Monohybrid inheritance

Try the question first, then check the answer and practise the same topic again.

Attempt questionMonohybrid inheritance revisionRevise the key idea

At a glance

4

Paper

2

Marks

Topic

Monohybrid inheritance

Exam-style question

Try this first

Paper 4Theory (Extended)2 marks

Red-green colour blindness is an example of a sex-linked trait caused by a gene on the X chromosome.

Description

Inheritance of Red-Green Colour Blindness

A mother is a carrier of red-green colour blindness, and the father has normal vision.

  1. a

    Describe the chance that their son will have red-green colour blindness.

    Aim for approximately 2 distinct marking points.

    [2]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 4 structured question: Monohybrid inheritance

Paper 4Theory (Extended)2 marks

Description

Red-Green Colour Blindness

Red-green colour blindness is more common in males than females because it is a sex-linked trait caused by a gene on the X chromosome.

  1. a

    Describe why red-green colour blindness is more common in males than females.

    Aim for approximately 2 distinct marking points.

    [2]