Mutation
Higher Biology
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Deletion
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condition resulting from non-disjunction of chromosome 21 during meiosis.
display of matched chromosomes showing their number, form and size.
condition characterised by the chromosome complement 2n=44+XO
condition characterised by the chromosome complement 2n=44+XXY
form of mutation involving one or more extra sets of chromosomes being added.
transfer of a segment of genes from one chromosome to another non-homologous one.
doubling up of part of a chromosome involving several genes.
reversal of the gene order of a segment of chromosome as a result of 2 breaks in the same chromosome.
Loss of segement of chromosome consisting of several genes.
increase in chromosome number of a cell caused by spindle failure during meiosis or mitosis.
Down's syndrome
???
condition resulting from non-disjunction of chromosome 21 during meiosis.
display of matched chromosomes showing their number, form and size.
condition characterised by the chromosome complement 2n=44+XO
condition characterised by the chromosome complement 2n=44+XXY
form of mutation involving one or more extra sets of chromosomes being added.
transfer of a segment of genes from one chromosome to another non-homologous one.
doubling up of part of a chromosome involving several genes.
reversal of the gene order of a segment of chromosome as a result of 2 breaks in the same chromosome.
Loss of segement of chromosome consisting of several genes.
increase in chromosome number of a cell caused by spindle failure during meiosis or mitosis.
Duplication
???
condition resulting from non-disjunction of chromosome 21 during meiosis.
display of matched chromosomes showing their number, form and size.
condition characterised by the chromosome complement 2n=44+XO
condition characterised by the chromosome complement 2n=44+XXY
form of mutation involving one or more extra sets of chromosomes being added.
transfer of a segment of genes from one chromosome to another non-homologous one.
doubling up of part of a chromosome involving several genes.
reversal of the gene order of a segment of chromosome as a result of 2 breaks in the same chromosome.
Loss of segement of chromosome consisting of several genes.
increase in chromosome number of a cell caused by spindle failure during meiosis or mitosis.
Inversion
???
condition resulting from non-disjunction of chromosome 21 during meiosis.
display of matched chromosomes showing their number, form and size.
condition characterised by the chromosome complement 2n=44+XO
condition characterised by the chromosome complement 2n=44+XXY
form of mutation involving one or more extra sets of chromosomes being added.
transfer of a segment of genes from one chromosome to another non-homologous one.
doubling up of part of a chromosome involving several genes.
reversal of the gene order of a segment of chromosome as a result of 2 breaks in the same chromosome.
Loss of segement of chromosome consisting of several genes.
increase in chromosome number of a cell caused by spindle failure during meiosis or mitosis.
Karyotype
???
condition resulting from non-disjunction of chromosome 21 during meiosis.
display of matched chromosomes showing their number, form and size.
condition characterised by the chromosome complement 2n=44+XO
condition characterised by the chromosome complement 2n=44+XXY
form of mutation involving one or more extra sets of chromosomes being added.
transfer of a segment of genes from one chromosome to another non-homologous one.
doubling up of part of a chromosome involving several genes.
reversal of the gene order of a segment of chromosome as a result of 2 breaks in the same chromosome.
Loss of segement of chromosome consisting of several genes.
increase in chromosome number of a cell caused by spindle failure during meiosis or mitosis.
Klinefelter's syndrome
???
condition resulting from non-disjunction of chromosome 21 during meiosis.
display of matched chromosomes showing their number, form and size.
condition characterised by the chromosome complement 2n=44+XO
condition characterised by the chromosome complement 2n=44+XXY
form of mutation involving one or more extra sets of chromosomes being added.
transfer of a segment of genes from one chromosome to another non-homologous one.
doubling up of part of a chromosome involving several genes.
reversal of the gene order of a segment of chromosome as a result of 2 breaks in the same chromosome.
Loss of segement of chromosome consisting of several genes.
increase in chromosome number of a cell caused by spindle failure during meiosis or mitosis.
Non-disjunction
???
condition resulting from non-disjunction of chromosome 21 during meiosis.
display of matched chromosomes showing their number, form and size.
condition characterised by the chromosome complement 2n=44+XO
condition characterised by the chromosome complement 2n=44+XXY
form of mutation involving one or more extra sets of chromosomes being added.
transfer of a segment of genes from one chromosome to another non-homologous one.
doubling up of part of a chromosome involving several genes.
reversal of the gene order of a segment of chromosome as a result of 2 breaks in the same chromosome.
Loss of segement of chromosome consisting of several genes.
increase in chromosome number of a cell caused by spindle failure during meiosis or mitosis.
Polyploidy
???
condition resulting from non-disjunction of chromosome 21 during meiosis.
display of matched chromosomes showing their number, form and size.
condition characterised by the chromosome complement 2n=44+XO
condition characterised by the chromosome complement 2n=44+XXY
form of mutation involving one or more extra sets of chromosomes being added.
transfer of a segment of genes from one chromosome to another non-homologous one.
doubling up of part of a chromosome involving several genes.
reversal of the gene order of a segment of chromosome as a result of 2 breaks in the same chromosome.
Loss of segement of chromosome consisting of several genes.
increase in chromosome number of a cell caused by spindle failure during meiosis or mitosis.
Translocation
???
condition resulting from non-disjunction of chromosome 21 during meiosis.
display of matched chromosomes showing their number, form and size.
condition characterised by the chromosome complement 2n=44+XO
condition characterised by the chromosome complement 2n=44+XXY
form of mutation involving one or more extra sets of chromosomes being added.
transfer of a segment of genes from one chromosome to another non-homologous one.
doubling up of part of a chromosome involving several genes.
reversal of the gene order of a segment of chromosome as a result of 2 breaks in the same chromosome.
Loss of segement of chromosome consisting of several genes.
increase in chromosome number of a cell caused by spindle failure during meiosis or mitosis.
Turner's syndrome
???
condition resulting from non-disjunction of chromosome 21 during meiosis.
display of matched chromosomes showing their number, form and size.
condition characterised by the chromosome complement 2n=44+XO
condition characterised by the chromosome complement 2n=44+XXY
form of mutation involving one or more extra sets of chromosomes being added.
transfer of a segment of genes from one chromosome to another non-homologous one.
doubling up of part of a chromosome involving several genes.
reversal of the gene order of a segment of chromosome as a result of 2 breaks in the same chromosome.
Loss of segement of chromosome consisting of several genes.
increase in chromosome number of a cell caused by spindle failure during meiosis or mitosis.
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