Generation of non-parental gene combinations is termed as
Linkage
Polyploidy
Recombination
Aneuploidy
The recessive genes located on $X$-chromosome in humans are always
Genes for cytoplasmic male sterility in plants are generally located in
Mark the odd one w.r.t. syndrome which occur due to failure of segregation of homologous pair of chromosomes during cell division cycle.
The mule is a
All the sons are haemophilic and daughter are normal of a haemophilic father and normal mother. This character is