Strands of rna do not contain which of the following bases?

RNA molecules possess the same nucleobases as DNA molecules, except for one. Generally, DNA molecules contain adenine and guanine as the purine bases and cytosine and thymine as pyramidine bases. However, RNA molecules do NOT have thymine. Instead, they have uracil.

Since a female is both xx chromosome and the male passes down the x chromosome, than the offspring would be female since a female is xx.