How many types of gametes will be produced by a male Drosophila having following arrangement of two genes (y+ and w+) on X-chromosome?

(See the image)

1) 2

2) 4

3) 1

4) 8

NEET COACHING FOR GRADE 9 STUDENT IN ABU DHABI,UAE. What are the options available

Mam today in neet ug 2021 due to my nervousness I bubbled one wrong figure of my roll number but I have filled the roll number correctly in the blocks the invigilator adviced me to leave it as it is and to bubble the same correct figure so I did that .am very much worried what will happen

Magnetic Length of bar magnet of length 70 cm is 63 cm. Want a solution for this.

in the stomatal apparatus why are subsidiary celss absent in cucurbits?

Any student studying in Maharashtra since first standard till 10th, takes up NEET coaching in Kota, Rajasthan. Will ge be eligible for admission into MBBS medical colleges in Maharashtra under 85% state  quota seats