Test cross is a cross:

Self cross is a cross between :

A cross between white fur rabbit(pure) and black fur rabbit(pure) gives 100% white rabbits spotted with black (F1) :

In case of codominance:

A cross between white flower (pure) and red flower (pure) gives 100% F1 (whiteflowers spotted with red):

A cross between a fish with red scales(pure) with a fish having blue scales gives 100%fish of blue and red scales. The symbols that may be used are:

Pure genotype (meaning/examples):

A cross between pure red flower and white spotted with red gives: (Codominance case)

A cross between white flower spotted with red with another white flower spotted with red gives: ( Codominance case)

A man of blood group A (pure) and his wife of blood group B( pure) may give a child having

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