what is true breeding line?...

what is true breeding line?

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A true breeding line is one that have undergone continuous self pollination, shows the stable trait inheritance and expression for several generation.

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A true breeding plant is

one-that is able to breed on its own

produced due to cross-pollination among unrelated plants

near homozygous and produces offspring of its own kind

always homozygous recessive in its genetic constitution

What is true for gemmae ?

Green, unicellular, sexual buds

Green, unicellular, asexual buds

Yellow, multicellular, sexual buds

Green, multicellular, asexual buds

During the study of incomplete dominance in a cross between true breeding flower (RR) and true breeding white flower (rr) when F_1 was sell pollinated resulted F_2 ratio may be

1 (RR) red , 2 (Rr) pink : 1 (rr) white

2 (RR) red , 1 (Rr) pink : 1 (rr) white

1 (RR) red , 1 (Rr) pink : 2 (rr) white

3 (RR) red , 1 (rr) white