ATAR Notes: Forum

HSC Stuff => HSC Science Stuff => HSC Subjects + Help => HSC Biology => Topic started by: christopherk8 on October 19, 2016, 01:47:37 pm

Title: genetics the code broken?
Post by: christopherk8 on October 19, 2016, 01:47:37 pm

hi could someone please explain how to do a punnet square for LINKED genes....i know how to do one for dihybrid unlinked genes but im lost for linked ones
thanks heaps!

Title: Re: genetics the code broken?
Post by: aimbotted on October 19, 2016, 09:48:13 pm

Quote from: christopherk8 on October 19, 2016, 01:47:37 pm

hi could someone please explain how to do a punnet square for LINKED genes....i know how to do one for dihybrid unlinked genes but im lost for linked ones
thanks heaps!

Linked Genes sort together

eg. if you get the parents gametes of AaTt x AaTt

the gametes would be AT at not AT At aT at

therefor the if you cross AT and at with AT and at this would give you a ratio of 3:1