Biology

Biology, 12.09.2019 21:20, tykiabrown8111

Explain how human cells compensate for the x-iinked gene dosage difference in xx and xy nuclei.

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Biology, 05.07.2019 20:00, skyozymy

Urgently need the human gm-csf gene and the mouse gm-csf gene vary by more than 60% in their dna sequence. however, when scientists place the human gene into mice, it functions properly. what best explains why this happens? (2 points) select one: a. the difference between genes sequences does not change the structure of the proteins. incorrect b. the resulting proteins made by the human gene are similar to the proteins made by the mouse gene. c. the mouse dna is a mutated form of the human gm-csf gene. d. mice can make human protein without the use of the human gm-csf gene.

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Biology, 12.09.2019 20:30, zetrenne73

In marsupials like the opposum or kangaroo, x inactivation selectively inactivates the paternal x chromosome. a. predict the possible coat color phenotypes of the progeny of both sexes if a female marsupial homozygous for a mutant allele of an x-iinked coat color gene was mated with a male hemizygous for the alternative wild-type allele of this gene. b. predict the possible coat color phenotypes of the progeny of both sexes if a male marsupial hemizygous for a mutant allele of an x-iinked coat color gene was mated with a female homozygous for the alternative wild-type allele of this gene. c. why are the terms "recessive" and "dominant" not useful in describing the alleles of x-iinked coat color genes in marsupials? d. why would marsupials heterozygous for two alleles of an x-iinked coat color gene not have patches of fur of two different colors as did the tortoise- shell cats described in the previous problem?

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Biology, 25.09.2019 22:30, queenx1xshay

The human gm-csf gene and the mouse gm-csf gene vary by more than 60% in their dna sequence. however, when scientists place the human gene into mice, it functions properly. what best explains why this happens? . a.the difference between genes sequences does not change the structure of the proteins.. b.mice can make human protein without the use of the human gm-csf gene.. c.the mouse dna is a mutated form of the human gm-csf gene.. d.the resulting proteins made by the human gene are similar to the proteins made by the mouse gene..

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Biology, 16.10.2019 05:00, janahiac09

In the chapter, transformed mycoplasma cells are identified because they produce a blue color. there are other ways to identify cells that have taken up genetic material. for example, a piece of dna containing genes for green fluorescent protein (gfp) and a yeast dna-binding protein gene is used to identify yeast nuclei. what is the name for this construct? it is a reporter gene and a protein fusion gene that will produce a single protein that both binds to yeast nuclei and appears green.it is a reporter gene because it will produce a visible green product, but not a protein fusion gene because the proteins will not fuse.it is a reporter gene and an operon fusion gene because two separate protein products are produced.it is a protein fusion gene but not a reporter gene.

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Explain how human cells compensate for the x-iinked gene dosage difference in xx and xy nuclei....

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