The correct matches are 1. XX-XO method of sex-determination is seen in (iii) Grasshopper, where males have only one X-chromosome besides autosomes and females have a pair of X-chromosome. 2. XX−XY method of sex-determination-(iv) Female homogamety as seen in human beings. 3. Karyotype-45 (i) Turner's syndrome with 45+XO. 4. ZW-ZZ method of sex-determination-(ii) Female heterogamety as seen in birds.
NEET UG 2019 — Zoology Principles of Inheritance and Variation
2019mcqeasy
Match the items of Column I with Column II. 
Select the correct option from the following
Official previous-year question
Held on 30 Apr 2019 · Verified 9 Jul 2026.
Options
- A
1.(ii) 2.(iv) 3.(i) 4.(iii)
- B
1.(i) 2.(iv) 3.(ii) 4.(iii)
- C
1.(iii) 2.(iv) 3.(i) 4.(ii)
- D
1.(iv) 2.(ii) 3.(i) 4.(iii)
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