Biology Forums - Study Force

Biology-Related Homework Help Genetics and Developmental Biology Topic started by: rjlene on Sep 7, 2012



Title: Having freckles is a dominant characteristic. Using a punnett square and assuming typical genetic results, can
Post by: rjlene on Sep 7, 2012
two parents who do not have freckles (ff) have a child with freckles?


Title: Having freckles is a dominant characteristic. Using a punnett square and assuming typical genetic results, can
Post by: rkkovach on Sep 7, 2012
If freckles run in the family then yes.It may go back generations.


Title: Having freckles is a dominant characteristic. Using a punnett square and assuming typical genetic results, can
Post by: ilikepoop on Sep 7, 2012
ummmm im not sure. sorry but if freckles is the dominating gene then if u have freckles for you to have been given them by your parents measn one or both would have freckles.


Title: Having freckles is a dominant characteristic. Using a punnett square and assuming typical genetic results, can
Post by: rkoch on Sep 7, 2012
If their is no F (as opposed to f) allel it should be impossible for a child to have freckles.
P-ff-ff
ff-ff-ff
ff-ff-ff
p for placeholder


Title: Having freckles is a dominant characteristic. Using a punnett square and assuming typical genetic results, can
Post by: mike279766 on Sep 7, 2012
I don't think so...
because when you work out the punnett square there are no chances of that child getting freckles because it's a dominant trait(FF)


Title: Having freckles is a dominant characteristic. Using a punnett square and assuming typical genetic results, can
Post by: ilapple on Sep 7, 2012
I am not sure if freckle is a dominant characteristic. But if having freckle is dominant, two parent who do not have freckles ( they do not have genes for freckles) should not have any child with freckles.