(2) Fi of Single x Pea gives Pea, and Fa gives 3 Pea 

 and 1 Single. 



rp rp = male garxietes 



Female 



Gametes 



rP rrPp 

 rP 



rrPp 



rrPp I 



rrPp 



all Pea 



The diagram of Fo would be: 



rP rp = male gametes 



Female 

 gametes 



rP 



rp 



= 3 Pea, 1 Single 



(3) Fi of Rose x Pea gives Walnut and the Fa gives 9 

 Walnut, 3 Rose, 3 Pea, and 1 Single. 



Rp Rp = male gametes 



rP ^ 



Female 

 Gametes 



rP 



= all Walnut 



The diagram of F2 would be : 



RP Rp rP rp 



fRP 



Female 

 Gametes 



Rp 

 rP 

 Lrp 



= male gamete 



= 9 Walnut 

 J Rose. 3 Pea, 

 1 1 Single. 



(Fig. 18) 



(4) Fi of Single x Walnut gives Walnut; the F2 gives 

 as in (3). 



rp " rp = male gametes 



Female 



J 



RP RrPp 



Gametes i RP 1 RrPp 



RrPp 



RrPp 



= all Walnut 



(5) Fi of Rose x Walnut gives Walnut; F2 as in (3) 



Rp Rp = male gametes 



Female 

 Gametes 



= all Walnut 



(6) Fi of Pea and Walnut gives Walnut; F2 as in (3) 



rP rP = male gametes 



( RP 



Female 

 Gametes ( RP 



Kri^P 



RrPP 



KrPP 



RrPP 



= all Walnut 



106 



