Question 53. XO particular sex determination and you can XY type of gender commitment certainly are the types of (a) men heterogamety (b) people heterogamety (c) male homogamety (d) one another (b) and you may (c) Answer: (a) male heterogamety

Answer: (a) a direct matchmaking

Matter 55. From inside the XO sorts of intercourse commitment (a) ladies build a couple different varieties of gametes (b) males develop several different types of gametes (c) women establish gametes that have Y chromosome (d) people develop gametes which have Y-chromosome.

Question 56. When the both parents was companies having thalassaemia, that is an autosomal recessive problems, which are the possibility of maternity leading to a compromised guy ? (a) 25 % (b) one hundred % (c) Not a way (d) 50 % Answer: (a) twenty five %

Question 57. Get the condition which is considering recessive autosomal genes whenever found in homozygous requirements. (a) Alkaptonuria (b) Albinism (c) Cystic fibrosis (d) Each one of these Respond to: (d) Each one of these

Grasshopper was a typical example of XO sort of gender dedication from inside the that the males features (a) one X-chromosome (b) one Y chromosome (c) a few X chromosomes (d) zero X chromosome Address: (a) you to X-chromosome

Matter 58. And that of adopting the feature try controlled by prominent autosomal genes ? (a) Polydactyly (b) Huntington’s chorea (c) PTC (phenylthiocarbamide) tasting (d) Many of these Respond to: (d) Each one of these

Concern 59. Incapacity from segregation of chromatids through the cell office causes the fresh acquire otherwise loss of chromosomes, that is called as (a) euploidy (b) monoploidy (c) aneuploidy (d) polyploidy Respond to: (c) aneuploidy

Matter sixty. Trisomy was represented because of the (a) (2n – 1) (b) (2n – 2) (c) (2n + 2) (d) (2n + 1) Answer: (d) (2n + 1)

(más…)