In a test cross involving $F_1$ dihybrid flies, more parentaltype offspring were produced than the recombinanttype offspring. This indicates
the two genes are linked and present on the same chromosome
both of the characters are controlled by more than one gene
the two genes are located on two different chromosomes
chromosomes failed to separate during meiosis.
What map unit (Centimorgan) is adopted in the construction of genetic maps?
Sexual reproduction leads to
On the basis of Mendel's work which of the following laws were formulated?
$I.$ Linkage
$II.$ Segregation
$III.$ Incomplete dominance
$IV.$ Independent assortment
Choose the correct option
Frequency of recombination between gene pairs on same chromosome as a measure of the distance between genes to map their position on chromosome, was used for the first time by
Crossing over causes