Loss or gain of a segment of $DNA$ results in
Frame-shift muation
Point mutation
Polyploidy
Chromosomal aberration
Normally $DNA$ molecule has $A-T, G-C$ pairing. However, these bases can exist in alternative valency status, owing to rearrangements called
In Drosophila, the sex is determined by
Definitions / Explanation : Complementary Gene
In human female, barr bodies are formed by
How many conditions exhibit in dissimilar sex chromosomes?