Question

1. A green stemmed rose plant denoted by GG
and a brown stemmed rose plant denoted by
gg are allowed to undergo a cross with each
other
(a) List your observations regarding:
(i) Colour of stem in their F progeny.
(ii) Percentage of brown stemmed plants in
F2
progeny, if F plants
self-pollinated
(iii) Ratio of GG and Gg in the F2 progeny.
(b) Based on the finding of this cross, what
conclusion can be drawn?
​

Answer 1

Answer:

ln the first cross pollination all plants will be green in colour. But when these green plants are allowed to self pollinate the ratio of plants will be 3:1. Green plants =3 and brown plants=1.