Recent content by f4d_girl

C and D seem like a correct answer, but i think D is the correct one.. because when i did the punette square, one of genotypes were ii which is type O.. am i on the right track?

7. Hand in question: Suppose that an allele, d, of a sex-linked gene is recessive and lethal. A man marries a woman who is heterozygous for this gene. If the couple had many normal children, what would be the predicted sex ratio of these children? Female: XDXd Male: XDY Punette sqaure...

Hi... I just completed this assignment but I'm not sure if i did it correctly or not.. can someone review my assignment? 9. Hand- in question: A brown-eyed man whose father was brown-eyed and whose mother was blue-eyed married a woman whose father and mother were both brown-eyed. The couple...

Yes, i know how to use a Punnette square, and i do know the combintations.. the problem is that I don't understand what I or i stands for... nor B or b.. B must be a dominant gene nd b must be a recessive gene.. but gene of what? blood type O??

8. Which of the following could be the parents of a child with type 0 blood? A: IBIB X IBI B: IAIB X IBi C: IAIB X ii D: IAi X IBi I have not idea which one is the correct one help me please

you've got to compute horizontal and vertical component because the ball was not thrown directly upward.. it was thrown at 30 degrees

there are enough values to solve this problem you need to calculate horizontal component and vertical component

i've never heard of this equation v = sqrt(2KE/m) but i'll try! thanks

i still didn't get it perhaps this is too complicated question for physics grade 12 IB but thanks anyway

what I'm asking is, is KE(before) = 36.3 MeV? KE= 0.5 mv^2, but velocity isn't given in the question

umm okay so you're saying that i should use KE before = KE after? but the question is how do i find a kinetic energy of Carbon, neutron and nitrogen? using E=mc^2?

"Calculate the total KE of the products of the reaction 13-C (d,n) 14-N if the incoming deuteron (d) has KE = 36.3 MeV" I used the Q-value equation which is Q = KEn + KEN - KEn - KEd but to find the kinetic energy for each particle, velocity is required (which isn't given in the...

The reaction 18(number of neturons + protons) O(oxygen) 8 (number of protons) (p,n) 18 F 9 requires an input of energy equal to 2.453 MeV. What is the mass of 18F9? I tried to use Q-value equation, but it didn't work out at all then i thought, since the enrgy is conserved, the kinetic...