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Genes for sex influenced characters are ...

Genes for sex influenced characters are present in ------

A

Y-chromosome

B

X-chromosome

C

Autosome

D

Both a & b

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USHA PUBLICATION-GENETICS-EXERCISE
  1. Sex - determination in Drosophila melanogaster is based on ----

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  2. Homogametic environment interaction.

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  3. Genes for sex influenced characters are present in ------

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  4. If a child has O type of blood group and the mother B type, the genoty...

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  5. Which of the following types of sex determination is found in grasshop...

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  6. What type of sex determination is seen in honey bee ?

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  7. What type of sex determination seen in human being?

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  8. Who discorved Free martin in cattle?

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  9. How many Barr bodies are present in a female with Tumers' syndrome?

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  10. ZZ/ZW type of sex-determination is seen in

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  11. Name the genes located on Y - chromosome of man.

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  12. Free-Martins are commonly found in ----

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  13. Which caste of honey bee is produced parthenogenetically?

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  14. How many pairs of autosomes are present in human cell ?

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  15. Which animal was mostly used for study of genetics?

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  16. Which factor determines the sex In which syndrome, the chromosomal for...

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  17. In which sex of human , colour blindness appears in more numbers.

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  18. The phenomenon of inheritance in which the father passes its sex-linke...

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  19. How many genotypes can be produced by two alleles T & t?

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  20. How many Barr bodies are present in women with Down syndrome ?

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