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Question : 21
Total: 30
A green stemmed rose plant denoted by GG and a brown stemmed rose plant denoted by 98 are allowed to undergo a cross with each other.
(a) List your observations regarding
(i) Colour of stem in theirF 1
(ii) Percentage of brown stemmed plants inF 2 F 1
(iii) Ratio of GG and Gg in the F, progeny.
(b) Based on the findings of this cross, what conclusion can be drawn?
(a) List your observations regarding
(i) Colour of stem in their
(ii) Percentage of brown stemmed plants in
(iii) Ratio of GG and Gg in the F, progeny.
(b) Based on the findings of this cross, what conclusion can be drawn?
Solution:
(a) (i) Colour of stems in F 1
(ii) The percentage of brown stem will be25 % Gg 1 : 2
(b) Based on the findings of this cross this can be concluded that green stemmed plants are dominant whereas brown stemmed plants are recessive.
(ii) The percentage of brown stem will be
(iii) GG:
(b) Based on the findings of this cross this can be concluded that green stemmed plants are dominant whereas brown stemmed plants are recessive.
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