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For your main post, address all of these topics: 1. Where do embryonic stem cells come from? Meaning do they come from embryos (fertilized eggs) taken from women or do they come from unfertilized eggs? Are there any other current or potential future sources of stem cells (Do we have […]

A line of Drosophila melanogaster with ebony body and sepia eyes (line A) is crossed to a line with tan body and red eyes (line B). The F1 are all tan-bodied, redeyed. a) (one point) What proportion of gametes produced by the F1 have the dominant allele for both loci? […]

Determine the diploid number (2n) of the following unknown organisms from the cell observations given below. Draw what each cell looks like at the indicated stage, including all important cytological features. a. 6 tetrads at metaphase Ib. 8 pair of sister chromatids in one of the two cells at anaphase […]

Calculate the temperature or pressure. Volume is constant 1) What is the new pressure of a set volume of gas at 101 kPa when it is heated from 25 C to 50 C? 2) What is the new pressure of the set volume of gas at 200 k PA when […]