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TheIncognateo
23.09.2019 •
Biology
How does heating (thermal energy) affect the particles of matter in a substance?
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Ответ:
Ответ:
This is a dihybrid cross typical of peas, that means there are two traits to take into account: flower color (purple - white) and seed texture (smooth - wrinkled) where purple and smooth are dominant traits over white and wrinkled.
In this cases the offspring ratio expected is 9:3:3:1 (9+3+3+1=16)
9 out of 16 are purple smooth
3/16 are purple wrinkled
3/16 are White smooth
1/16 are White wrinkled
The total offspring is 75+28+24+8 =135
The values expected are
Purple smooth: 135 * (9/16) = 75,93
Purple wrinkled or white smooth: 135 * (3/16) = 25,31
White wrinkled: 135*(1/16) = 8,43
These values are very similar to the ones obtained experimentally. With a chi-square it's possible to determine if the difference is significant or not.