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BIOLOGY_CHAP 6.1-6.2

Horizontales
Results in death of gamete or death of organism after gamete fusion
Down syndrome
An organism whose chromosomal number is not an exact multiple of its haploid number
CHROMOSOMAL BREAKAGE FOLLOWED BY COMPLETE LOSS OF A DNA SEGMENT
Exchange of genetic information between non-homologous chromosomes during meiosis
Mutation in which only one or a few nucleotides are altered
Diploid gamete fertilized by haploid gamete resulting in 3n.
Occurs during meiosis when chromosome pairs fail to separate.
Having a chromosome number exactly 2 times the haploid number for that organism
Verticales
Occurs when an extra nucleotide is added or removed from a DNA sequence, causing nucleotide to shift one space one way or the other.
An organism cell with 4 sets of chromosomes
Mutation where one nucleotide is substituted for another
Segment of chromosome breaks and reattaches in same location, but in the "inverse" order
Involve either the number of chromosomes, or the location of genes on a chromosome
Results from the development of an unfertilized egg
Results in the change of base sequences, or essentially ANY change of DNA
Any cell in an organism with three or more complete sets of chromosomes
Results when a gamete with no chromosome unites with normal haploid gamete