Based on Lyon’s hypothesis, what will be the number of Barr bodies found in a human female suffering from Down’s syndrome
$0$
$1$
$2$
$3$
Example of intergenic gene interaction is$/$are
Term 'genetics' was given by
Sex linked inheritance was discovered by
When normal and mutant alleles are present on opposite chromosomes of homologous pair, the heterozygotes are called as
Incomplete linkage is ...$A$.... Complete linkage is ...$B$.... Choose correct option for $A$ and $B$