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Continuous variations are attributed to ...

Continuous variations are attributed to meiosis through :

A

Polyploidy

B

Mutations

C

Chromosomal aberrations

D

Crossing over

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The correct Answer is:
D
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Discontinuous variations are :

Continuous variations are seen in_____characters.

Discontinuous variation is the product of mutation.

Meiosis occur in

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In ovule meiosis occurs in :

MBD PUBLICATION-HEREDITY AND VARIATION-QUESTION BANK
  1. Discontinuous variations are :

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  2. The tern gene which was coined by Johannsen was termed by Mendel as

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  3. Continuous variations are attributed to meiosis through :

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  4. How many possible genotypes are there for the ABO blood group which ar...

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  5. In a dihybrid cross ,F2 ratio of 15 : 1 is due to :

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  6. When two dominant independently assorting genes react with each other ...

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  7. Male XX and female XY sometimes occur due to :

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  8. A disease caused by autosomal primary non-disjunction is :

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  9. Sickle-cell anaemia is

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  10. When an allele of one gene suppresses an allele of another gene,the ph...

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  11. Genes of which inheritable traits are present on the X-chromosome ?

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  12. The genotype of a male individual having sexual character of a female ...

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  13. Human gene determining sex at seventh week of pregnancy called TDF is ...

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  14. Somatic chromosomes are autosomes while sex chromosomes are called

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  15. is a sex -linked trait.

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  16. A cross between hybrid with a double recessive pure plant is called

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  17. Which genetic disease is regarded as Royel disease ?

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  18. In birds type of sex determination occurs.

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  19. Who proposed genic balance theory for determination of sex in Drosophi...

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  20. Gregor Johann Mendel is regarded as what ?

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