CBSE · Class 10 · Science · Heredity and EvolutionWhat type of sex chromosomes are present in normal human males?
Step-by-Step Solution
Normal human males possess one X chromosome and one Y chromosome (XY), whereas normal human females possess two X chromosomes (XX).
Detailed Options Breakdown
Option : XX chromosomes
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Heredity and Evolution.
Option 1: XY chromosomes (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: YY chromosomes
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Heredity and Evolution.
Option 3: XO chromosomes
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Heredity and Evolution.
💡 Study Guide: This question tests core syllabus concepts from Heredity and Evolution. For formulas, key summaries, and mock exam reference guides, read the full Heredity and Evolution Revision Notes.