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Match All the Diagnostic Features That May Apply to That

Question 14

Matching

Match all the diagnostic features that may apply to that aberration. Note that each diagnostic feature may be used more than once.

Premises:

Responses:

deletion

formation of chromosomal “cruciform” structures in meiosis I

duplication

formation of chromosomal “loop” structures in meiosis I

inversion

Recombinant frequencies between genes on the same chromosome are (much) lower than expected.

translocation

reduced fertility (other than semisterility)

semisterility

pseudodominance

pseudolinkage (two genes on separate chromosomes do not segregate independently).

Premises:

deletion

duplication

inversion

translocation

Responses:

formation of chromosomal “cruciform” structures in meiosis I

formation of chromosomal “loop” structures in meiosis I

Recombinant frequencies between genes on the same chromosome are (much) lower than expected.

reduced fertility (other than semisterility)

semisterility

pseudodominance

pseudolinkage (two genes on separate chromosomes do not segregate independently).

Correct Answer:

Premises:

Responses:

formation of chromosomal “cruciform” structures in meiosis I

formation of chromosomal “loop” structures in meiosis I

Recombinant frequencies between genes on the same chromosome are (much) lower than expected.

reduced fertility (other than semisterility)

semisterility

pseudodominance

pseudolinkage (two genes on separate chromosomes do not segregate independently).