Matter 46. a) Selfing out of monosomic herbs write nullisomics. b) For the a true diploid both the monoploid and you may haploid chromosome count is actually exact same. c) A motor vehicle triploids can be produced artificially from the crossing ranging from haploid and good diploid. d) A boost in exactly how many chromosome kits could have been an important aspect throughout the source of brand new bush 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) A great (iv) D d) (i) D (ii) C (iii) Good (iv) B Address d) (i) D (ii) C (iii) An effective (iv) B
Concern 58
Question forty eight. Whenever red eyed people Drosophila is actually entered which have light eyed men, the newest FI offsprings might be a good) People was with white eye and you will boys are which have red-eye. b) Men is actually that have red eye and you will females try with red eyes. c) Both males and females was with red-eye d) Both men and women are having white eye. Answer: c) Both males and females are with red eye
Matter forty two. a) All the organisms hence provides 2 or more first categories of chromosomes derived from two various other specie’s. b) He has five otherwise half dozen duplicates of their individual genome – created by doubling of your own diploid species. c) They are created by inter-particular crosses and you may fertility are recovered by chromosome increasing that have colchicine medication. d) He is shaped anywhere between directly related variety only.. Answer: b) He has five otherwise half a dozen duplicates of the individual genome – triggered because of the increasing of your own diploid kinds.
Question 50. a) Thev can be made artificially bv crossing ranging from autotetraploid diploid. b) He or she is extremely fertile because of multitude of gametes. c) Developed triploid apples try seedless that have larger good fresh fruit than diploid. d) Prominent doob cross are an organic autotriploid. Answer: b) They are highly fruitful due to multitude of gametes.
Matter 51. a) They take place in germinal cells through the gametogenesis. b) Take place during Pachytene state off prophase We off meiosis.. c) It’s in person proportional towards the regularity off recombination between them. d) It has got universal occurrence possess higher benefit. Answer: c) It’s actually proportional towards volume out of recombination among them.
Concern 55. a) Deletions can be found because of chemical compounds, pills radiation. b) Based on place away from damage towards the chromosome it is split up into Terminal deletion inter calary deletion c) Huge deletions possess evolutionary importance. d) Deletions is registered in Drosophila Maize Respond to: c) Big deletions possess evolutionary significance.
Question 56. How do we contrary new sterility out of FI crossbreed? a) Hereditary Technologies b) Protoplasmic mix c) Induced Mutation d) Created chromosomal aberration Answer: d) Triggered chromosomal aberration
Matter dělá tsdating práce 57. If the haploid amount in the a mobile is 23. The fresh new twice monosomic and pentasomy amount would-be an effective) 44 and forty-two b) 17 and 34 c) 47 and you can 46 d) 45 and you may forty-eight Address: a) 44 and 44
Answer: b) (A) is correct, (R) is the best cause (A)
Genes discovered close together on a single chromosome and you can passed down along with her illustrated since the good) linked family genes b) unlinked gene c) syntenic genes d) trans genes Address: a) connected genes
Concern 59. Denial (A): Arabidopsis plant chromosomes convey more repeats away from TTT nucleotide sequences from inside the the new telomeres. Need (R) : Limitation endonuclease enzyme is utilized on the formation off nucleotide sequence (Telomeres) mui a good) (A) was wrong, (R) is right b) (A) is right, (R) ‘s the proper need (A) c) (A) is right, (R) ‘s the completely wrong explanation (A) d) (A) and you can (R) are incorrect.
