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[A]: Domestication is a type of plant br...

[A]: Domestication is a type of plant breeding.
[R]: Selection is the basis for the improve- ment of crops through prant breeding.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

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The correct Answer is:
A
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TRUEMAN BIOLOGY-Genetics-ASSERTION AND REASON
  1. [A]: The two members of a gene pair segregate from each other into the...

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  2. [A]: Domestication is a type of plant breeding. [R]: Selection is t...

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  3. [A]: Erythroblastosis foetalis is a disease related with Rh factor and...

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  4. [A]: Genetic disorder, sickle cell anaemia is common in new born babie...

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  5. [A]: PKU is a autosomal recessive hereditary metabolic disease caused ...

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  6. [A]: Each gemete has only one allele for each trait. [R]: It is tru...

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  7. [A]: When doing genetics problems, firs decide the appropriate key and...

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  8. [A]: Chromosomes are divided into heterochromatin and euchromatin part...

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  9. [A]: Metacentric chromosomes are seen V-shaped in anaphase [R]: In ...

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  10. Assertion : Plasmids are double-stranded extra chromosomal DNA. Reas...

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  11. [A]: Exchange of genetic material occurs dur- ing meiosis. [R]: The...

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  12. Assertion:XXX females are called super females Reason : They often g...

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  13. [A]: A gene affecting the expression of another nonallelic gene is cal...

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  14. [A]: The sex linked genes are passed on to the grandson through the da...

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  15. Assertion : Mutations are necessary for the survival to the species. ...

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  16. [A]: It is not possible to take photograph and count chromosomes when ...

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  17. [A]: Neurospora is an ideal genetic material for research. [R]: Bec...

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  18. [A]: Heterosis is superiority of F1 hybrid over its two genetically d...

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  19. [A]: Mendelian recombinations are due to crossing over. [R]: Crossi...

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  20. [A]: Genes confined to differential region of homologous chromosomes a...

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