Which of the Following Is/are FALSE Concerning the Comparisons Between

question 7

Multiple Choice

Which of the following is/are FALSE concerning the comparisons between genetic,physical,and cytogenetic maps?

• A)The distance between two linked markers is the same in genetic and physical maps because crossing over occurs with equal frequency along the entire length of the chromosome.
• B)Restriction maps,contig maps,and STS maps are examples of physical maps.
• C)In physical maps,the distances between markers are given in megabases (Mb)where 1 Mb is approximately equal to 1 cM.
• D)The banding patterns of chromosomes created by different staining techniques are used in constructing cytogenetic maps.
• E)In genetic maps,the distances between various markers (for example,genes or RFLPs)are given in map units or centiMorgans.

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Definitions:

Aqueous Acid

An acid that is dissolved in water, where it dissociates to some extent into hydrogen ions and anions.

2-phenylethanol

A fragrant organic compound with a floral scent, used in perfumery and also known as phenethyl alcohol.

Bromobenzene

An organobromide compound with a formula C6H5Br, used as a precursor in organic synthesis for the introduction of phenyl groups.

Reagents

Chemical substances used in reactions to bring about and probe chemical changes, often to transform reactants into products.