In a scissors cross-over, the crossings provided are i) 2 obtuse angle crossings ii) 4 obtuse angle crossings iii) 4 acute angle crossings iv) 6 acute angle crossings The correct answer is

• A. (ii) and (iv)
• B. (ii) and (iii)
• C. (i) and (iii)
• D. (i)and(iv)

Answer: (D)