Help with a few questions you might have seen around...

[JohnnnyD]

Hey I was gonna see if anyone could help me on a few questions since I have no idea if I got them right or not on this unnamed test that I paid for and cant review my answers on...or even know which questions i got wrong...or even see the questions again....haha
1)

is it 0%?

2)

3)

all help is appreciated

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[LetsGo2DSchool]

1. 0%
Male is XY, female is XcXc so both daughters would be XXc (no colorblind, just carriers)

2. Not sure, don't want to steer you wrong.

3. sq rt 1/2
Reverse the rxn so you take reciprocal of 2 = 1/2. Halve the reaction so you take sq rt of 1/2

 

[Hope30]

I believe the answer to your second question is 3,4,1,2.