Biology
Make a Punnett square for finding out the proportion of different genotypes in the progeny of a genetic cross between a pure tall (TT) pea plant with a pure dwarf (tt) pea plant.
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Give differences between passive transport and active transport.
Expand TSH.
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An outline sketch of a tree is shown in a diagram below. Study the same and answer the questions that follows.
(a) Name the phenomenon labelled A in diagram.
(b) Explain phenomenon 'A'.
(c) Give one significance of phenomenon 'A'.