(D) In $ZW-ZZ$ type of sex determination,females are heterogametic $(ZW)$ and males are homogametic $(ZZ)$. This mechanism is observed in birds,some r

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(D) In $ZW-ZZ$ type of sex determination,females are heterogametic $(ZW)$ and males are homogametic $(ZZ)$. This mechanism is observed in birds,some reptiles,and some butterflies. In humans and most insects,the male is heterogametic ($XY$ or $XO$),while the female is homogametic $(XX)$. Therefore,birds exhibit female heterogamety.

Class 12 Biology Principles of Inheritance and Variation Sex determination

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Which of the following exhibits female heterogamety?

A
Plants
B
Humans
C
Insects
D
Birds

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Class 12 Questions

Class 12

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Chapter

Principles of Inheritance and Variation

Subtopic

Sex determination

$A$: Non-allosomic genic determination of sex is found in bacteria.
$R$: Sex is dependent on some environmental factors in prokaryotes.

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Which of the following conditions of gametes results in the birth of a normal human female child?

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Which of the following best explains the formation and cellular basis of gynandromorphs in $Drosophila$?

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Excessive growth of hair on the pinna is a feature found only in males because

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In which organism is the female homogametic and possesses one chromosome more than the male?

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Which of the following exhibits female heterogamety?

Similar Questions

$A$: Non-allosomic genic determination of sex is found in bacteria.$R$: Sex is dependent on some environmental factors in prokaryotes.

Which of the following conditions of gametes results in the birth of a normal human female child?

Which of the following best explains the formation and cellular basis of gynandromorphs in $Drosophila$?

Excessive growth of hair on the pinna is a feature found only in males because

In which organism is the female homogametic and possesses one chromosome more than the male?

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$A$: Non-allosomic genic determination of sex is found in bacteria.
$R$: Sex is dependent on some environmental factors in prokaryotes.