Exchange of genetic material between chromatids of homologous chromosomes during meiosis is called
Synapsis
Chiasmata
Transformation
Crossing over
The linkage map of $X$-chromosome of fruit fly has $66$ units with yellow body gene $(y)$ at one end and bobbed hair $(b)$ gene at the other end. The recombination frequency between these two genes ($y$ and $b$) should be
Which one of the following pair is correctly matched
The experiment shown in the given figure has been carried out by Morgan to show the phenomenon of linkage and recombination. If in cross $I$, genes are tightly linked and in cross $II$, genes are loosely linked then what will be the percentage of recombinants produced in cross $I$ and cross $II$ respectively?
Crossing over in diploid organism is responsible for