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A unit of DNA that contains multiple structural genes and is under the control of a single promoter is called

Hemophilia is an X-linked, recessive disorder. A couple, neither of whom has hemophilia, produces a son with hemophilia. Which of the following statements is true?

Which produces short sequences of RNA, which allows polymerase to synthesize a new strand of DNA?

The karyotype of a young patient shows two Barr bodies per cell. What condition might this child have?

What mechanism is used by a bacterial cell to fit its DNA into the nucleoid region?

In cats, the gene for coat color is found on the X chromosome. Shown below is a mass of cells making up an early female cat embryo. The X chromosomes are shown in each cell; this embryo has one orange coat color allele (O) and one black coat color allele (B). Which of the following is ACCURATE about this embryo?

In conjugation, the donor cell makes ________ whose function is to bring F-cells close enough to transfer a ________ to the recipient.

Which is FALSE when comparing RNA and DNA?

A P generation cross was made between a true-breeding tall plant and a true-breeding dwarf plant. All of the F1 offspring were tall. If the F1 offspring were self-fertilized, what is the expected F2 phenotypic ratio?

Assume each of the following letters represents an amino acid. Which type of gene mutation occurred to produce the following protein sequence?  Normal: JAYBIRDCATPAW  Mutated: JAYBIRDBATPAW