Tag: pleiotropy

Questions Related to pleiotropy

Multiple choice pleiotropy genetics zoology

Pleiotropic effect is found in

  1. Human skin colour

  2. Night blindness

  3. Haemophilia

  4. Sickle cell anaemia

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The ability of a gene to have a multiple phenotypic effects is known as pleiotrophy and the gene is called Pleiotropic gene and the inheritance is called Pleiotropic inheritance.

eg:Sickel cell anaemia

So, the correct option is ‘sickle cell anaemia’.

Multiple choice pleiotropy genetics zoology

A pleiotropic gene is

  1. $I^A$
  2. $Hb^S$
  3. $Hb^A$
  4. $I^B$.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The gene having multiple phenotypic effects is called pleiotropic genes. Eg: Sickel cell anaemia. This is caused by a gene HbS. When it is a homozygous condition, sickle cell anaemia occurs or if it is in the homozygous condition, act as a carrier.

So, the correct option is 'HbS