Question

What do the following symbols used in the topics on hereditary represent a:TT b:tt c:XX d:XY

Answer 1

Ok the symbols TT are used for representing tall plants which are called heterozygous plants but homozygpus plant whereas these two concerned with plants that xx and xy depends on the birth of a child where as XX indicates girl child where there is no active participation of father sperm bat xy indicates the birth of boy child where there is active participation of father sperm with ovum so the birth of a child is depended on father chromosomes there are 46 pairs of chromosomes in each body when it is divided 22 to mum 22 to father One X and Y indicates birth of a boy child where X and X indicates birth of a girl child thank you