Bio Q (1 Viewer)

[ZaoKai]

Does anyone know why the answer is B? Thanks

 

[its_ace21]

first mitotic non dysjucntion, 2n = 28 coz its doubled, so then next is 2n = 28 + 14 = 42, so n = 21, but because it doubles again its 42?????????????????????????????

idk i wouldve done it like that

 

[ZaoKai]

View attachment 40225

Oh I see what u mean thanks so much