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NEETZoologyPrinciples of Inheritance and Variation

Match List-I with List-II : List-I (Crosses) List-II (Possible blood groups in offspring) (a) I^ A i I^ B i (i) A and B only (b) I^ A I^ B ii (ii) A, B, AB and O (c) I^ A I^ B I^ A I^ B (iii) A, B and AB only (d) I^ A i ii (iv) A and O only Choose the correct answer from the options given below:

Options

  1. A(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
  2. B(a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
  3. C(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
  4. D(a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)

Correct answer

B. (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)

Step-by-step solution

Evaluate each cross to determine the possible blood groups of the offspring: (a) I^ A i I^ B i : The gametes are I^ A , i and I^ B , i . The offspring genotypes are I^ A I^ B (AB), I^ A i (A), I^ B i (B), and ii (O). This matches (ii). (b) I^ A I^ B ii : The gametes are I^ A , I^ B and i . The offspring genotypes are I^ A i (A) and I^ B i (B). This matches (i). (c) I^ A I^ B I^ A I^ B : The gametes are I^ A , I^ B for both parents. The offspring genotypes are I^ A I^ A (A), I^ A I^ B (AB), and I^ B I^ B (B). This m

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