Hi! I am doing homeschooling so I don\'t have anyone to help me out withmy studi

Question

Hi!
I am doing homeschooling so I don't have anyone to help me out withmy studies.I would really appreciate if you could explain this tome.
If I have two plants with the genotypes Rrtt and rrTt where redcolor(R) is dominant over white(r) and being tall(T) is dominantover being short(t).If I complete a Punnet square, will it lookloke this?:
R r    r r
t Rt rt    T rT rT
t rt rt    t rt rt
Did I do the crossing correctly?
How can I diagram a cross between these plants(this is dihybridcross)with sixteen boxes?What could be the possible genotypes andphenotypes from this cross?I searched my entire textbook, but itdoes not contain any examples of this{ the 16 box cross}.
Thanks a lot for helping!

Explanation / Answer

For a dihybrid cross with 2 genes it should look like this...                                                           Rrtt * rrTt Rt Rt rt rt rT RrTt RrTt rrTt rrTt rt Rrtt Rrtt rrtt rrtt rT RrTt RrTt rrTt rrTt rt Rrtt Rrtt rrtt rrtt Possible genotypes: RrTt rrTt Rrtt rrtt Possible phenotypes: Red and Tall, White and Tall, Red and Short,White and Short ***sorry, the first row of the table is shift to the left by 1column, I don't know how to fix it.***

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