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Answer: c) An auto triploids can be produced forcibly by the crossing between haploid and good diploid

Matter 46. a) Selfing away from monosomic plants write nullisomics. b) Into the a genuine diploid both the monoploid and you will haploid chromosome count try exact same. c) An auto triploids can be produced forcibly of the crossing anywhere between haploid and you may a great diploid. d) An increase in the amount of chromosome sets could have been an enthusiastic important aspect regarding provider of brand new bush variety.

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 great (iv) D d) (i) D (ii) C (iii) Good (iv) B Address d) (i) D (ii) C (iii) Good (iv) B

Question 58

Concern 48. When red eyed people Drosophila was crossed with white eyed male, the new FI offsprings will be good) Females try having white eye and you will people was having red-eye. b) Males was having red-eye and you may ladies is actually with purple vision. c) Both men and women are with red-eye d) Both men and women is with white eye. Answer: c) Both men and women are having red eye

Matter forty-two. a) All organisms and this provides two or more very first groups of chromosomes produced from two various other specie’s. b) He’s got four or half a dozen copies of its very own genome – induced from the doubling of the diploid variety. c) They can be developed by inter-specific crosses and virility try recovered by the chromosome doubling that have colchicine cures. d) He is molded anywhere between directly related types merely.. Answer: b) He’s got four or half a dozen copies of its individual genome – caused by increasing of the diploid varieties.

Matter 50. a) Thev can be made artificially bv crossing ranging from autotetraploid diploid. b) They are highly fertile because of large number of gametes. c) Developed triploid bananas try seedless with huge fresh fruit than diploid. d) Popular doob get across is an organic autotriploid. Answer: b) He is very fruitful due to large number of gametes.

Concern 51. a) They occur in germinal tissue throughout gametogenesis. b) Take place while in the Pachytene county from prophase I regarding meiosis.. c) It is actually proportional with the frequency from recombination among them. d) This has universal density have great relevance. Answer: c) It is directly proportional into frequency from recombination between them.

Concern 55. a) Deletions occur because of chemicals, pills light. b) On the basis of location of damage towards the chromosome it is divided in to Terminal deletion inter calary removal c) Big deletions possess evolutionary benefit. d) Deletions is filed in Drosophila Maize Answer: c) Big deletions features evolutionary significance.

Concern 56. How can we reverse the fresh new infertility off FI hybrid? a) Hereditary Engineering b) Protoplasmic blend c) Created Mutation d) Caused chromosomal aberration Respond to: d) Created chromosomal aberration

Matter 57. If the haploid amount from inside the a mobile are 23. This new twice monosomic and you can pentasomy amount could be a good) forty two and you can forty two b) 17 and 34 c) 47 and you may 46 d) 45 and 48 Answer: a) forty-two and you may forty two

Answer: b) (A) is correct, (R) ‘s the right reason (A)

Genetics located personal along with her on the same chromosome and passed down together represented while the a) connected family genes b) unlinked gene c) syntenic genes d) trans genes Respond to: a) connected genes

Concern 59. Denial (A): Arabidopsis plant chromosomes have significantly more repeats regarding TTT nucleotide sequences in the new telomeres. Reasoning (R) : Maximum endonuclease enzyme can be used about creation out of nucleotide sequence (Telomeres) mui good) (A) was wrong, (R) is right b) (A) is correct, (R) is the right reason (A) c) (A) is right, (R) ‘s the incorrect explanation (A) d) (A) and you can (R) was completely wrong.

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