aed by genes at two loci R. rand P. p). A walnut comb is at one Tocus.pdf

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aed by genes at two loci R. rand P. p). A walnut comb is at one Tocus and at least one dominant inant gene A pi R P A rose comb is produced when at least and two recessive genes are present at the the first locus at pea comb is produced when two recessive genes are least one dominant gene is at are present at the first and the second locas sNuces 2 for comb shape of the parents in the fol walnut, 1 single, and 1 pea offspring. ngle comb ing cross: Rose 3/. The mutation (bard es is inherited as a maternal effect recessive allele. What is the expected ratio of preho termale and a bad bed male? in offspring cross between bcd normal: mutant 1 3 mutant normal c 3 mutant 1 normal 32 Could the characteristic followed in the pedigree be caused by an autosomal dominant disease? not? Solution 32............is pedigree explaining about autosomal dominant disease/.

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Imagine a spherical balloon filled wild helium- the balloon itself is magically crafted to expand and contract freely without exerting any restorative force Some weights (with negligible volume) are hung from the balloon such that the total mass of helium + balloon + weights is m Assume the balloon is surrounded by with constant density p_0 and constant pressure P_0, independent of altitude. Solution Gas equation PV = nRT As the pressure P is constant P dV/dt = nR dT/dt dV/dt =nR/P dT/dt initial condition P0V0 = nRT0 dV/dt = (V0/T0) dT/dt upward thrust on the ballon F = Vg – mg Differentiate with t , we have dF/dt = gdV/dt initial the balloon is at rest hence V0 g – mg = 0 hence m = V0 mda/dt = gdV/dt = g*(V0/T0)* dT/dt da/dt = g/T0 * dT/dt we can express rate of change of acceleration in terms of g, which has units of acceleration da/dt = (1/T0)dT/dt integrating it a(t) = T(t)/T0 given T(t) = T0(2 - 1/t+1) a(t) = 2 – 1/t+1 dv(t)/dt = 2 – 1/t+1 v(t) = 2t – ln(t+1).

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