8a stuff Flashcards
material of which chromatids are made
Chromatin
proteins around which dna strands coild
histones
carry genetic info
chromosomes
segments of DNA that contain info for traits
genes
each half of a chromosome
chromatid
where chromatids are joined in the center
centromere
map of cells chromosomes
Karyotype
before the cell divides the chromosomes duplicate to form an x
yes
humans only have one pair of sex chromosomes
true
autosomes are homologous
yes
sex chromosomes are not homologous
true
three stages of cell cycle
interphase, mitosis and cytokinesis
90-95% of all cells are in interphase
wow
Parent cells that undergo mitosis produce two identical daughter cells
cool
section of DNa that codes for a specififc trait
gene