Answer: c) A motor vehicle triploids can be made forcibly by the crossing ranging from haploid and you can an excellent diploid

Question 46. a) Selfing out-of monosomic plant life build nullisomics. b) Inside a real diploid both the monoploid and you may haploid chromosome number are same. c) An auto triploids can be produced artificially by the crossing ranging from haploid and you can an excellent diploid. d) A rise in how many chromosome sets might have been an enthusiastic essential requirement on the resource of new plant species.

a) (i) C (ii) D (iii) B (iv) A b) (i) B (ii) C (iii) D (iv) A-c) (i) C (ii) B (iii) An effective (iv) D d) (i) D (ii) C (iii) A beneficial (iv) B Address d) (i) D (ii) C (iii) A beneficial (iv) B

Matter 58

Matter 48. When red-eyed people Drosophila was crossed which have white eyed men, brand new FI offsprings would-be a) Ladies is actually having white eye and males are with red-eye. b) People try that have red eye and you will girls was which have red-colored eyes. c) Both men and women is actually having red eye d) Both men and women is that have white eye. Answer: c) Both males and females is that have red eye

Matter 49 a) The bacteria and therefore has a couple of basic sets of chromosomes based on two other specie’s. b) He’s four or half dozen copies of the own genome – triggered because of the doubling of your diploid species. c) They are created by inter-certain crosses and you can virility is actually restored from the chromosome increasing which have colchicine procedures. d) They are designed between directly relevant variety simply.. Answer: b) He’s five or half dozen duplicates of its individual genome – caused from the doubling of your own diploid species.

Matter 50. a) Thev can be made forcibly bv crossing between autotetraploid diploid. b) He could be highly fruitful on account of multitude of gametes. c) Developed triploid apples try seedless having big fresh fruit than diploid. d) Prominent doob cross try an organic autotriploid. Answer: b) He or she is very rich because of large number of gametes.

Concern 51. a) They occur in germinal cells throughout gametogenesis. b) Occur throughout Pachytene condition of prophase I regarding meiosis.. c) It is yourself proportional to your regularity away from recombination among them. d) It’s got common thickness provides high benefit. Answer: c) It’s physically proportional with the frequency away from recombination between the two.

Concern 55. a) Deletions exists due to chemical substances, pills rays. b) Based on location regarding breakage to your chromosome it’s split into Terminal deletion inter calary removal c) Larger deletions has evolutionary advantages. d) Deletions was recorded inside the Drosophila Maize Respond to: c) Larger deletions have evolutionary significance.

Question 56. How do we contrary this new infertility away from FI hybrid? a) Hereditary Technologies b) Protoplasmic combination c) Caused Mutation d) Caused chromosomal aberration Answer: d) Caused chromosomal aberration

Matter 57. If the haploid matter into the a mobile try 23. The brand new double monosomic and pentasomy matter could well be good) 49 and you will forty two b) 17 and you can 34 c) 47 and you will 46 d) forty-five and forty-eight Address: a) forty-two and you can forty two

Answer: b) (A) is right, (R) is the proper factor (A)

Genes found close together with her for a passing fancy chromosome and you may inherited along with her represented just like the a) linked genes b) unlinked gene c) syntenic genetics d) trans family genes Respond to: a) connected genetics

Question 59. Assertion (A): Arabidopsis bush chromosomes do have more repeats regarding TTT nucleotide sequences from inside the this new telomeres. Need (R) : Restrict endonuclease enzyme is employed regarding the formation of nucleotide series (Telomeres) mui good) (A) try completely wrong, (R) is right b) (A) is right, (R) is the proper factor (A) c) (A) is correct, (R) is the incorrect reasons (A) d) (A) and (R) is actually wrong.

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