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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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ild ild
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Posts: 60
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11 years ago
Example:

Cross TTYyWw and ttyyWW

What would the Punnett square even look like?
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wrote...
#1
11 years ago
with this cross, it will be easier of you determine first the possible gametes in each parent.

for the first one, TTYyWw,  the possible gametes would be: TYW, TYw, TyW and Tyw
for the second parent, ttyyWW, the possible gametes would be: tyW

so you make a table or Punnett square using these
______|__tyW____________
TYW    |      TtYyWW
TYw     |      TtYyWw
TyW     |      TtyyWW
Tyw      |      TtyyWw

the resulting offsprings will have a genotype of TtYyWW, TtYyWw, TtyyWW and TtyyWw, with 25% probability for each.
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