Question

Pedigree
I have no idea how to decide if its dominant or recessive trait from the pedigree
though
it looks like its recessive since i don't see any diseased ones in first 3 generations
http://prntscr.com/6g5gv0

Answer 1

@shrutipande9 @Abhisar
i need some teaching again :3

Answer 2

you are right..:)

Answer 3

@somy

Answer 4

many dominant characters are positive characters

Answer 5

in case of colors if both colors are together the which one u are able to see first is a dominant color

Answer 6

both colors in the sense the colors which u choose

Answer 7

@shrutipande9 okay so it is recessive, it says how do you know, do i say because parents are carriers of the disease?
@sikinder ah i do know about dominance & recessiveness, i just struggle to decide from pedigree

Answer 8

ok

Answer 9

@Somy are u there?

Answer 10

see..what u need to do to check whether dominant or recessive is..try both.

Answer 11

gotcha!

Answer 12

when it says 'name' individual that has hitcchiker's disease - they mean say whether they are homozygous recessive, hetero, homo dominant?

Answer 13

in my case they are homozygous recessive