Traits controlled by genes located on autosomes are said to be

Presence of a single allele of a character in a diploid organism is known as $:$

$A$ doctor's son:

In $Drosophila$,during organ differentiation,if one organ is transformed into another (e.g.,legs instead of wings),what is the gene responsible for such transformation called?

Haemolytic jaundice is caused due to a dominant gene but only $10\%$ of the people who carry the gene actually develop the disease. $A$ heterozygous man marries a homozygous normal woman; what proportion of the children would be expected to develop the haemolytic disease?

When two individuals are similar in external appearance but differ in their genetic makeup,they are called as: