Matter 53. XO kind of intercourse determination and XY form of intercourse commitment may be the examples of (a) men heterogamety (b) people heterogamety (c) men homogamety (d) both (b) and you can (c) Answer: (a) male heterogamety
Answer: (a) an immediate matchmaking
Matter 55. During the XO form of sex determination (a) people produce two different types of gametes (b) boys write one or two different kinds of gametes (c) female make gametes having Y chromosome (d) men generate gametes that have Y-chromosome.
Matter 56. If both parents are companies getting thalassaemia, that is a keen autosomal recessive diseases, what are the odds of pregnancy leading to an affected kid ? (a) 25 % (b) a hundred % (c) No way (d) 50 % Answer: (a) 25 %
Concern 57. Select the disease that is due to recessive autosomal family genes whenever found in homozygous standards. (a) Alkaptonuria (b) Albinism (c) Pathology fibrosis (d) All of these Respond to: (d) Many of these
Grasshopper was an example of XO version of intercourse commitment during the which the boys has actually (a) one to X-chromosome (b) you to definitely Y chromosome (c) two X chromosomes (d) zero X-chromosome Respond to: (a) one to X-chromosome
Concern 58. And this of the following the characteristic was subject to prominent autosomal genes ? (a) Polydactyly (b) Huntington’s chorea (c) PTC (phenylthiocarbamide) sampling (d) All these Answer: (d) A few of these
Matter 59. Inability from segregation regarding chromatids throughout cellphone division contributes to this new acquire otherwise death of chromosomes, this might be called as (a) euploidy (b) monoploidy (c) aneuploidy (d) polyploidy Address: (c) aneuploidy
Matter sixty. Trisomy is actually depicted by the (a) (2n – 1) (b) (2n – 2) (c) (2n + 2) (d) (2n + 1) Answer: (d) (2n + 1)
Question 61. Mongolism was a hereditary sickness that’s for the reason that the new exposure regarding an extra chromosome number (a) 20 (b) 21 (c) 17 (d) 23 Respond to: (b) 21
Question 62. Klinefelter’s disorder is actually characterised from the a good karyotype from (a) XYY (b) XO (c) Sex (d) XXY Answer: (d) XXY
Question 63. That it problem happen because of monosomy (2n – 1); anyone has actually 2n = forty-five chromosomes having forty-two + XO genotype. (a) Edward’s syndrome (b) Down’s problem (c) Turner’s problem (d) Klinefelter’s syndrome Address: (c) Turner’s disorder
Question 64. Lady with Turner’s disorder have (a) small uterus (b) standard ovaries (c) underdeveloped tits (d) all of these. Answer: (d) all of these.
Matter 65. Every genes on the exact same chromosome (a) setting additional groups depending on the cousin point (b) function that linkage classification (c) cannot regarding people linkage communities (d) means interactive groups which affect the brand new phenotype kod rabatowy babel. Answer: (b) function one to linkage group
Concern 66. Criteria out of an excellent karyotype 2n±l and you can 2n + 2 are known as (a) aneuploidy (b) polyploidy (c) allopolyploidy (d) monosomy. Answer: (a) aneuploidy
Matter 67. Point involving the genes and you will percentage of recontbfnatidnshows (a) a direct dating (b) an inverse matchmaking (c) a simultaneous dating (d) no dating.
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Matter sixteen. The newest emails and this can be found in the initial filial age group are called (a) recessive letters (b) dominating letters (c) holandric letters (d) deadly characters Respond to: (b) principal letters
Concern 34. So what can function as blood group of little ones whenever both parents enjoys Abdominal blood classification ? (a) Ab merely (b) A good, B and you can Ab (c) A beneficial, B, Abdominal and O (d) A good and you can B just Answer: (b) A beneficial, B and Ab
Concern 52. And that of your following the try things about Mendel’s success ? (i) Usage of absolute traces otherwise absolute reproduction species (ii) Idea of one reputation immediately (iii) Fix regarding statistical information out of experiments (iv) Expertise in linkage and incomplete dominance (a) (i) and you will (ii) merely (b) (i), (ii) and you will (iii) (c) (i) and you will (iv) just (d) (ii), (iii) and you may (iv) Answer: (b) (i), (ii) and you will (iii)