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10 terms

Riverton Cell division 8.1 Chromosomes

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autosomes
all chromosomes except the sex chromosomes
centromere
the constricted portion of a chromsome where the chromtids join.
chromatid
half of a chromosome
diploid
refers to having two sets of chromosomes
haploid
refers to having one set of chromsomes
histone
proteins that help the chromosomes maintain shape and coiling of the chromosome
homologous chromsomes
The two copies of each autosome
karyotype
A photomicrograph of a complete set of chromsomes
nonhistone
proteins that help the DNA carry on activties.
sex chromosomes
the chromosomes that help determine the sex of the individual