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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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Mike146 Mike146
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11 years ago
Why would a large number of offspring be more likely to match Punnett-square ratios than a small number would?
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#1
11 years ago
Because if I am Bb for example, I don't give EXACTLY 50% B and 50% b.  Only in very large numbers will this trend closer and closer to 50/50.  So in a Punnett square, a 1:2:1 ratio BASICALLY holds, and will hold better with higher numbers.
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#2
11 years ago
Bigger number of offspring would be more likely to match the ratios.

For example, you go to the ocean and get a cup full of ocean water. If there are no fish in that cup, does that mean that there are no fish in the ocean?

Cup = Small test size
Ocean = Large test size

Ocean = more accurate
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