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Principles Of Inheritance And Variation

Question

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How many chromosomes do drones of honeybee possess? Name the type of cell division involved in the production of sperms by them.

Solution

Drones of honey bees are haploid and possess 16 chromosomes.
Drones produce sperms by mitosis.

Some More Questions From Principles of Inheritance and Variation Chapter

What is Mendel’s monohybrid phenotypic ratio ?

Write down Mendel’s dihybrid Phenotypic ratio

Who were the rediscoverers of Mendelism ?

What are the real determinants of what an organism will become ?

What is the unique feature of F1 generation ?

What will be the genetic make up of an organism which suffers from sickle cell anaemia ?

What do the symbols square and circle in a pedigree chart indicate ?

Define heterogamy. Give an example.

How many chromosomes are found in human cells ?

Why is male Drosophila regarded as heterogametic ?

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