What map unit (Centimorgan) is adopted in the construction of genetic maps?
Aunit of distance between two expressed genes, representing $10 \%$ cross over
A unit of distance between two expressed genes, representing $100 \%$ cross over
A unit of distance between genes on chromosomes, representing $1 \%$ cross over
A unit of distance between genes on chromosomes, representing $50 \%$ cross over
Assertion : In case of incomplete linkage, linked gene show new combination along with parental combination.
Reason : In case of incomplete linkage, linked genes are separated by crossing over.
Linkage decreases the frequency of
Who used the frequency of recombination ?
Select the incorrect statement(s) from the options given below with respect to dihybrid cross.
$I.$ Tightly linked genes on the same chromosome show higher recombinations.
$II.$ Genes far apart on the same chromosome show very few recombinations.
$III.$ Genes loosely linked on the same chromosome show similar recombinations.
The four daughter cells derived from a single meiosis differ from each other due to