Chromosomal theory of inheritence was given by Morgan and Castle
Chromosomes are stained by acetocarmine or feulgen stain
The principle of independent assortment can be studied when genes for different characters are present on different chromosomes
Criss-cross inheritance is applicable to holandric as well as well as hologynic inheritance
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Solution
Dear student,
Answer is 1 and 4.
1.Chromosomal theory of inheritance was given by Boveri and Sutton.
4. Non criss cross inheritance is applicable to holandric and hologynic inheritance.