Recombination frequency is lesser when the strength of linkage between genes is
Heterogametic male is found in all, except
The unit of crossing over used in eukaryotic genetics is
Who prepared first chromosomal map for Drosophila?
Female honey bees are having chromosomes.
The foundation of chromosomal basis of sex determination was laid down by
How many of the given characters are not dominant traits selected by Morgan in his experiments.
Generation of non-parental gene combination is called (i) whereas (ii) is the physical association of genes on same chromosome. The blanks (i) and (ii) are respectively
In honey bee, a male i.e. drone develops from
