Do a cross between a pure dominant homozygous D and a pure recessive homozygous d. show the ratios. (D is dark and d is light.)

Question

So i need to answer this question by tomorow and i have tried for days! If i dont have the answwer to this question then i can not answer the rest because they all have to do with this question i cant answer! help please thank you

Answer 1

A Punnet Square will disclose the ratios of heterozygous and homozygous dominant as well as homozygous recessive. 

 

From a cross with a pure homozygous dominant with a pure recessive individual the offspring will all be heterozygous dominant (Dd).