The calculation of quark masses and Cabibbo angles is one of the most important open pro blems of the physics of quarks and their inter actions. This is a progress report on an at tempt to calculate Cabibbo angles, relating them to ratios of quark masses. A preliminary report will soon appear in Physics Letters 1 and we hope to present a more complete report in the near future.Our starting point is an SU(2) L x 811(2)^ x U(l) gauge theory of weak and electromagnetic interactions. As usual, the left-handed quarks are in the (1/2, 0) representation while the right-handed quarks are in (0, 1/2). The W and Z boson masses are generated by a set of Higgs mesons, which are not necessarily re levant to our discussion of quark masses. The only Higgs particles which interest us are as sociated with the (1/2, 1/2) multiplet of SU(2) L xSU(2) i ,xU(l) and couple directly to the quarks.We first consider a six-quark scheme. The

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The possibility of creating baryon asymmetry at the electroweak phase transition in the minimal supersymmetric standard model is considered for the case when right-handed squarks are much lighter than left-handed ones. It is shown that the usual requirement v(T c )/T c > ∼ 1 for baryogenesis can be satisfied in a range of the parameters of the model, consistent with present experimental bounds.

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