Download App

Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation1 Mark
MCQ
When one gene controls two or more different characters simultaneously, the phenomenon is called as:
  • A
    Apomixis
  • B
    Pleiotropy
  • C
    Polyploidy
  • D
    None of the above
✓

Answer

  1. Pleiotropy

Explanation:

Pleiotropy is the condition in which a single gene influences more than one trait. Polyploidy is a condition in which individuals have more than two complete sets of chromosomes. Apomixis is a reproductive process in plants that superficially resembles normal sexual reproduction but there is no fusion of gametes.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (0.5 Marks)" from Principles of Inheritance and Variation→Principles of Inheritance and Variation — all question types→BIOLOGY STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Which was the last human chromosome to be completely sequenced?
→
$A$ good soil is that which
→
Given is : $X$ is the chromosome with gene for haemophilia and $X$ is the chromosome with normal gene. Which of the following individuals will act as carrier for haemophilia
→
Embryo with 8-16 blastomeres is called
→
$A$ : Shivering is an adaptation for low temperature.
$R$ : Shivering warms up the body
→
Surrogate mother is
→
Secondary producers are:
→
IVF involves transfer into fallopian tube of:
    →
    Big holes in Swiss cheese are made by a:
    →
    Corpus luteum is formed in
    →