In pheasants, there are three plumage variants: light, buff and ring.
the table below gives...
In pheasants, there are three plumage variants: light, buff and ring.
the table below gives the results of several crosses between parents of unknown genotype.
use this information to answer questions 8-9 :
parents offspring male x female
1. light x light
2. light x buff
3. buff x light
4. light x ring
5. buff x buff
males all light ½ light, ½ buff ½ light, ½ buff all buff ½ buff, 1/4 light, 1/4 ring all ring
females all light ½ light, ½ buff ½ light, ½ buff all buff ½ buff, 1/4 light, 1/4 ring all ring 6. ring x ring
8. if you were to cross the male parent from family #6 with the female parent from family #3, what offspring ratio would you expect?
a) all buff
b) ½ light, ½ ring
c)% light, ½ buff
d)% buff, ½ ring
e) ½ buff, 1/4 light, 1/4 ring 9.
what is the phenomenon depicted in families 1-6 called?
a) mutation
b) epistasis
c) variable penetrance
d) variable expressivity
e) incomplete dominance
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