In which of the following disorder a single protein that is a part of the cascade of proteins involved in blood clotting is affected?
Thalassemia
Sickle-cell anaemia
Haemophilia
Phenylketonuria
$A $: Non-allosomic genic determination of sex is found in bacteria.
$R$ : Sex is dependent on some environmental factors in prokaryotes.
Heterozygous tall and violet flowered pea plants were selfed and total $512$ seeds are collected. What will be total number of seeds for both heterozygous traits?
In a mutational event, when adenine is replaced by guanine, it is the case of
Wilson detected the colour blindness disease in
The recessive gene that always produces its effect, is