AAMC 4 Question #146

[kabtq9s]

---

Members don't see this ad.

might be a silly question but how did they figure out the circled gamete combination for the F1 ?

http://mysowar.files.wordpress.com/2011/05/146.jpg

Thanks in advance.

 

[golgiapparatus88]

might be a silly question but how did they figure out the circled gamete combination for the F1 ?

http://mysowar.files.wordpress.com/2011/05/146.jpg

Thanks in advance.

Even with independent assortment, the resulting can only be LlRr. When LL is combined with ll, the only option is a heterozygote. The same goes for the other. Since it then says F1 is crossed, LlRr is crossed with the same generation..LlRr.