If the frequency of allele A is .7, using the Hardy-Weinberg formula, what would the frequency of the heterozygous Aa genotype be?
A. .09
B. .3
C. .42
D. .49
E. It cannot be calculated from the
information provided.
C
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Retrotransposons _____
A) use an RNA molecule as an intermediate in transposition B) are found only in animal cells C) generally move by a cut-and-paste mechanism D) contribute a significant portion of the genetic variability seen within a population of gametes
XO
a. turner syndrome b. jacob syndrome c. Poly-X d. Klinefelter Syndrome
In a karyotype it can be seen that a homologous pair of duplicated chromosomes will contain how many chromatids?
A. one B. four C. two D. three E. six
A protein being synthesized by a cell for export would follow which pathway in the cell?
A) Ribosome to lysosome to endoplasmic reticulum to Golgi apparatus to cell membrane B) Ribosome to cell membrane C) Ribosome to Golgi apparatus to endoplasmic reticulum to cell membrane D) Ribosome to endoplasmic reticulum to Golgi apparatus to cell membrane