Genes that are very close to each other on the bacterial chromosome can be "cotransformed." this means that during a single transformation event, alleles of those genes may be replaced with donor cell alleles in one dna strand of the chromosome. genes that are close enough to each other on the bacterial chromosome to be contransformed are said to be linked.

correct answer is a. and d.

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igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

the correct answer is sex-linked recessive.

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