Who gave first experimental evidence of the polygenic concept of inheritance
Galton $(1883)$
Malthus $(1828)$
Nilsson Ehle
None of the above
$A$ : Polyploids with odd number of chromosomes are propagated vegetatively.
$R$ : Seed formation is absent due to meiotic abnormality.
In Cooley's Anemia, the affected chain of a haemoglobin is
Which phenomena leads to the variation in $DNA$
Extranuclear inheritance is a consequence of presence of genes in
A recessive gene is one which