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प्रश्न
How drones are produced in honey bees?
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उत्तर
Through the process of parthenogenesis, drones are produced in honey bees.
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संबंधित प्रश्न
Answer the following questions related to sex determination in human beings:
i. What is sex chromosome?
ii. How many pairs of chromosomes are present in human beings?
iii. How is the sex of the human offspring determined?
iv. Draw a diagram depicting sex determination in man.
Name the species used in sericulture. Name the stages in the life cycle of a silk moth in cyclic form.
Write notes on sex determination in the unborn baby.
Fill in the following blank with suitable word :
The...............chromosomes for a ............are XX whereas that for a ..............are XY.
E is the gene for brown eye colour and an is the gene for blue eye colour. which gene is (1) recessive, and (2) dominant?
Choose the correct answer:
Males have more chances of suffering from sex-linked disease because of ___________
Choose the correct answer:
A single recessive trait, able to express must be on _________
Complete the following sentence with appropriate word:
______are the alternative forms of a gene producing different effects.
Distinguish between heterogametic and homogametic sex determination systems.
Given below are two statements:
Statement - I: The male Drosophila has a pair of homomorphic sex chromosomes.
Statement - II: The male human being has a pair of heteromorphic sex chromosomes.
In the light of above statements, Choose the most appropriate answer from the options given below:
