Science / Genetics / Translocation: A chromosome aberration which results in a change in position of a chromosomal segment within the genome, but does not change the total number of genes present.
Science / Genetics / Reciprocal Translocation: When a pair of chromosomes exchange exactly the same length and area of dna. Results in a shuffling of genes. MORE
Science / Genetics / Down Syndrome: A type of mental deficiency due to trisomy (three copies) of autosome 21, a translocation of 21 or mosaicism. MORE