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Back cross or test cross kya …

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Back cross or test cross kya hota simply btaao

Posted by Baani N 7 years, 9 months ago

CBSE > Class 12 > Biology

2 answers

Shagun Waraich 7 years, 9 months ago

When the cross is made between f1 generation and one of the parent then it is back cross .............and........ When cross is made between unknown dominant genotype (say TT or Tt) and ressesive genotype (say tt) is called test cross................... if progeny is 50% tall and 50% dwarf then it is unknown is heterozygous and if all progeny is tall then homozygous

Rajat Soni 7 years, 9 months ago

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