【单选题】In the Solow growth model with no population growth and no technological progress, the higher the steady capital-per-worker ratio, the higher the steady-state:
A.
growth rate of total output.
B.
level of consumption per worker.
C.
growth rate of output per worker.
D.
level of output per worker.
【单选题】人类某遗传病受两对等位基因控制,已知基因A、a位于常染色体上,基因B、b位于X染色体上,且基因A、B同时存在时个体表现正常,其佘情况下均表现为患病。下图是某家系中该病的遗传系谱图,已知1号个体为纯合子,理论上4号和5号个体 生育的男孩或女孩中,正常的概率均为1/4,下列相关叙述错误的是