Chromosomal Basis of Inheritance: Introduction Past Year (1998 - 2005) MCQs Principles of Inheritance & Variation Botany NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

In Drosophila, the sex is determined by:

1.	The ratio of the number of X-chromosomes to the sets of autosomes
2.	X and Y chromosomes
3.	The ratio of pairs of X-chromosomes to the pairs of autosomes
4.	Whether the egg is fertilized or develops parthenogenetically

Subtopic: Chromosomal Basis of Inheritance: Introduction |

AIPMT - 2003

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