Mutations

A

A. take place gradually and in small steps

B

B. are all heritable and give rise to new species

C

C. are subject to natural selection

D

D. are random changes in base sequence of RNA

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The correct Answer is:
C
are subject to natural selection
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Explore conceptually related problems

Read the following statements :- (1) Genetic Variability is the root of all breeding programs. (2) Induced mutations are useful when desired alleles are absent in germplasm. (3) Conventional breeding is not constrained by availability of limited number of genes. (4) Other breeding methods that are used selection amongst somaclonal variants and genetic engineering. How many of the above statements are correct ?

What is point mutation ? Describe it with example.

KUMAR PRAKASHAN-PRINCIPLES OF INHERITANCE AND VARIATION -SECTION -F (MULTIPLE CHOICE QUESTIONS (MCQS)) (MCQS FROM .DARPAN. BASED ON TEXTBOOK)
  1. A cross between pure tall, green seeds and pure dwarf yellow seeds is ...

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  2. The crossing of an organism with a double (homozygous) recessive in or...

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  3. Mutations

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  4. Which one of the following pairs consists of both recessive traits in ...

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  5. Two crosses between the same pair of genotypes or phenotypes in which ...

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  6. Which one of the following traits of garden pea studied by Mendel was ...

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  7. The ratio of 1:1:1:1 is obtained from a cross between the parents.

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  8. If a pure tall pea plant is raised in nutrient deficient media such th...

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  9. How many different types of gametes can be formed by Fi progeny result...

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  10. Mendelian recombination is due to

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  11. Law of purity of gametes put forward by Mendel was proved by

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  12. Which of the follows Mendel.s law of segregation ?

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  13. The ratio of homozygous dominant and homozygous recessive in dihybrid ...

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  14. In a plant, red fruit (R) is dominant over yellow fruit (r) and tallne...

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  15. Lack of independent assortment of two genes A and B in fruit fly Droso...

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  16. A cross between hybrid and a recessive parent (Tt xx t t) gives a rati...

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  17. A dihybrid for qualitative trait is crossed with homozygous recessive ...

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  18. The frequencies of alleles in a Mendelian population are subjected to ...

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  19. Which of the following is incorrectly paired ?

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  20. Which of the following will yield 45 tall and 14 dwarf plants?

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