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If a normal man marries a normal woman whose father was colourblind, what are the chances that their sons and daughters will be colourblind? Colourblindness is a sex-linked trait that affects males more often than females. With the aid of a Punnett square...

In a class 2/5 of the pupils wear sprctacles.(a)What fraction of the pupils do not wear spectacles? (b)If 16 pupils wear spectacles, how many pupils are there altogether?

Between 1200 and 1300 there are three double digits. A number is repeated?

I think what you did on first is right but the second on is wrong you should use M1V=M2V1 formula which M1(5mL)=(1.05*10^-3)(200mL) M1=0.042

Other ones please!

6*+2=38

2#2

Please

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