Chromosomal Abnormalities Exam Questions with Answers
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Module
Chromosomal Abnormalities
Institution
Chromosomal Abnormalities
Chromosomal Abnormalities Exam Questions with Answers
Euploidy - Answer-Normal number of chromosomes
Disjunction - Answer-The separation of the pair of chromosomes into haploid cells
Non-disjunction - Answer-When chromosomes do not separate into the haploid condition (sometimes two will end...
Chromosomal Abnormalities Exam
Questions with Answers
Euploidy - Answer-Normal number of chromosomes
Disjunction - Answer-The separation of the pair of chromosomes into haploid cells
Non-disjunction - Answer-When chromosomes do not separate into the haploid
condition (sometimes two will end up in one and the one will end up with nothing)
Non-disjunction - Answer-Large cause of chromosomal abnormalities
Translocations - Answer-Type of chromosome abnormality in which a segment of one
chromosome breaks and attaches to another chromosome (interchange parts of
chromosomes)
Reciprocal and Robertsonian - Answer-Two types of translocations
Reciprocal Translocations - Answer-Type of chromosome abnormality in which there is
an exchange of broken segments from nonhomologous chromosomes
Robertsonian Translocations - Answer-Type of chromosome abnormality which involves
acrocentric chromosomes
Balanced - Answer-Type of translocation in which no genetic material is lost
Unbalanced - Answer-Type of translocation in which genetic material is lost
Translocation - Answer-t(3;11)(q12;p15.5)
Deletion - Answer-Type of chromosome abnormality in which part of the chromosome is
lost
Deletion - Answer-46XY, (6q-) or Del(11)(p13)
Monosomy 1p36 - Answer-The deletion of a partial chromosome which results in a
syndrome with multiple congenital anomalies and mental retardation--one of the most
common chromosomal deletions
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