Lalla Loevalle
0.0 Aristaless (no bristles on antenna)
1.3 Star eye –
0
-
How often two genes cross-over
can tell us how far apart the
genes are from each other. This is
called recombinant frequency (rf).
These calculations allow us to
create a gene map like this one.
- 31.0 Dachs (short legs) —
EF
=
– 51.0 Reduced bristles
Circle in red the two genes that
are closest together.
57.5 Cinnabar eye
-67.0 Vestigial (small) wing -
99.2 Arc (bent wings) -
107.0 Speck body -
o ao
Underline in green the pair of
genes that are furthest apart.
-
Genes that are closer together on
the chromosome are more likely
to brinborited tonothor Duta