Start learning →

Assume equal, independent XX/XY outcomes. After two sons, the next child's XY chance is:

A1/2
B3/4
C1/4
D1/8
Answer & Solution
Correct answer: A. 1/2
Under the stated independent model, previous births do not change the next outcome's probability.
Practise this question with Quill — ICSE Class 10 →

Keep practising Principles of Inheritance and Variation

Browse all Principles of Inheritance and Variation questions for ICSE Class 10, or explore more Biology topics.

Start a Principles of Inheritance and Variation lesson →
Related questions
Mendel contrasted violet pea flowers with flowers of which colour?Which pair describes the pea pod colours Mendel studied?Mendel's pea flowers had which contrasting positions?A pea is genetically Tt but is observed to be tall. Which label describes Tt?Which change is a mutation?Sexual reproduction increases genetic variety chiefly by:Why may offspring produced asexually still differ slightly from their parent?Which observation is an example of variation within one species?