gentics punntte question

Question

In tomatoes, round fruit (R) is dominant to long fruit (r), and smooth skin (S) is dominant to fuzzy (s). A homozygous dominant plant is crossed with a homozygous recessive plant. If two of the resulting plants F1, plants are crossed, what are the expected genotypes and phenotypes of the F2 generation?

Answer 1

F1 plants RrSs

 

        RS          Rs          rS          rs

RS    RRSS     RRSs       RrSS      RrSs

 

Rs     RRSs     RRss        RrSs     Rrss

 

rS     RrSS      RrSs        rrSS      rrSs

 

rs     RrSs        Rrss         rrSs     rrss

 

 

 

geneotype               phenotype

RRSS       1/16        Round and smooth   9/16  round and smooth 

RRSs        2/16       Round and smooth         

RRss         1/16       Round and fuzzy       3/16 round and fuzzy

RrSS        2/16       Round and smooth

RrSs         4/16        Round and smooth

Rrss          2/16       Round and fuzzy

rrSS          1/16       long and smooth     3/16   long and smooth

rrSs           2/16      long and smooth

rrss           1/16      long and fuzzy         1/16  long and fuzzy