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Answer: c) An automobile triploids can be produced artificially because of the crossing between haploid and you will good diploid

Answer: c) An automobile triploids can be produced artificially because of the crossing between haploid and you will good diploid

Question 46. a) Selfing regarding monosomic vegetation write nullisomics. b) For the a genuine diploid the monoploid and you will haploid chromosome number are exact same. c) A motor vehicle triploids can be made artificially from the crossing anywhere between haploid and an excellent diploid. d) A rise in what number of chromosome set has been an important aspect from the origin of new bush varieties.

a) (i) C (ii) D (iii) B (iv) A-b) (i) B (ii) C (iii) D (iv) A-c) (i) C (ii) B (iii) A good (iv) D d) (i) D (ii) C (iii) A great (iv) B Respond to d) (i) D (ii) C (iii) A great (iv) B

Concern forty eight. Whenever red eyed lady Drosophila are entered which have light eyed male, brand new FI offsprings was good) Female try with white-eye and you can men are which have red-eye. b) Males try that have red-eye and you will women was having yellow vision. c) Both men and women try that have red eye d) Both males and females was that have white-eye.

Question 49. a) All of the bacteria and this has a couple of earliest categories of chromosomes produced by several other specie’s. b) He has four otherwise six duplicates of its own genome – triggered because of the increasing of your own diploid kinds. c) They can be developed by inter-particular crosses and you can virility is actually recovered of the chromosome increasing which have colchicine procedures. d) They are formed ranging from directly relevant species only.. Answer: b) He has four or half dozen copies of its own genome – induced because of the doubling of the diploid species.

Question fifty. a) Thev can be produced forcibly bv crossing ranging from autotetraploid diploid. b) He is very fruitful because of large number of gametes. c) Developed triploid apples is seedless with big fruit than diploid. d) Popular doob cross is actually an organic autotriploid. Answer: b) He’s very rich because of plethora of gametes.


Matter 51. a) It take place in germinal tissue during gametogenesis. b) Happen through the Pachytene county out of prophase I out of meiosis.. c) It’s physically proportional on frequency off recombination between them. d) It’s universal density keeps great value. Answer: c) It is truly proportional to your volume from recombination between them.

Answer: c) Both males and females are that have red-eye

Question 55. a) Deletions exist due to agents, medication radiation. b) Based on place out of damage toward chromosome it’s put into Terminal deletion inter calary deletion c) Large deletions provides evolutionary significance. d) Deletions try registered in the Drosophila Maize Answer: c) Larger deletions has evolutionary significance.

Concern 56. How can we opposite brand new infertility off FI crossbreed? a) Genetic Engineering b) Protoplasmic fusion c) Induced Mutation d) Created chromosomal aberration Respond to: d) Induced chromosomal aberration

Matter 59

Matter 57. If haploid count during the a mobile is actually 23. The new twice monosomic and you can pentasomy matter would-be an excellent) 44 and you can forty two b) 17 and 34 c) 47 and you may 46 d) 45 and you will forty eight Answer: a) forty two and you can 49

Question 58. Genes found personal along with her on a single chromosome and you may handed down together illustrated just like the an excellent) connected genetics b) unlinked gene c) syntenic genetics d) trans family genes Respond to: a) connected genes

Denial (A): Arabidopsis bush chromosomes convey more repeats away from TTT nucleotide sequences inside the the latest telomeres. Reasoning (R) : Limit endonuclease enzyme is used in the development of nucleotide sequence (Telomeres) mui an effective) (A) is actually incorrect, (R) is right b) (A) is right, (R) is the proper reason (A) c) (A) is right, (R) is the completely wrong explanation (A) d) (A) and (R) was wrong. Answer: b) (A) is right, (R) ‘s the best explanation (A)

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