A pleiotropic gene

Important Questions on Principles of Inheritance and Variation

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 28 - Principles of Inheritance and Variation>MCQS CORNER>Q 72

The gene disorder phenylketonuria is an example for:

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 28 - Principles of Inheritance and Variation>MCQS CORNER>Q 73

Genes with multiple phenotypic effects are known as

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 28 - Principles of Inheritance and Variation>MCQS CORNER>Q 74

When a single gene influences more than one trait it is called

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 28 - Principles of Inheritance and Variation>MCQS CORNER>Q 75

Pleiotropic genes have

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 28 - Principles of Inheritance and Variation>MCQS CORNER>Q 76

Match Column I with Column II and select the correct option from the given codes.

	Column I		Column II
$\left(\mathrm{a}\right)$	Gregor J. Mendel	$\left(\mathrm{i}\right)$	Chromosomal theory of inheritance
$\left(\mathrm{b}\right)$	Sutton and Boveri	$\left(\mathrm{i}\mathrm{i}\right)$	Laws of inheritance
$\left(\mathrm{c}\right)$	Henking	$\left(\mathrm{i}\mathrm{i}\mathrm{i}\right)$	$Drosophila$
$\left(\mathrm{d}\right)$	Morgan	$\left(\mathrm{i}\mathrm{v}\right)$	Discovered X-body

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 28 - Principles of Inheritance and Variation>MCQS CORNER>Q 77

XO type of sex determination and XY type of sex determination are the examples of

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 28 - Principles of Inheritance and Variation>MCQS CORNER>Q 78

In $\mathrm{X}\mathrm{O}$ type of sex determination

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 28 - Principles of Inheritance and Variation>MCQS CORNER>Q 79

Which of the following is incorrect regarding ZW - ZZ type of sex determination?