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cell is increasing all of its components, including organelles as the mitochondria, ribosomes and centrioles
chromosomes which contain DNA are duplicated and contain two chromatids (sister chromatids) held together at the
results of mitosis
daughter cells have the same number of chromosomes and genetic material as the parent cell
explain why it is called the cell cycle process
ordered sequence of events that extends from the time a cell is first formed from a dividing parent cell until it is own division into 2 cells
nuclear division that results in two new nuclei, each having the same number of chromosomes as the original nucleus
If parental cell has 46 chromosomes how many chromosomes does each daughter cell have following mitosis
when cell division begins, chromatin starts to condense and compact to form
visible rodlike sister chromatids held together at the centromere
DNA replication results in
duplicated chromosome, that consists of two sister chromatids held together at a centromere
a structure that appears and brings orderly distribution of chromosomes to the daughter cell nuclei
has a fiber that stretch between two poles(end), bundles of microtubules, protein cylinders found in the cytoplasm that can assemble and disassemble
main microtubule organizing center of the cell, divides before mitosis so that each pole of spindle has a pair of centrosome
rod shaped body in the nucleus seen during mitosis and meiosis that contains DNA and hereditary units or genes
short cylinder organelle in animal cells that contain microtubules and associated with formation of the spindle during cell division
centrosomes have duplicated, chromatin is condensing into chromosomes and nuclear envelope is fragmenting
nucleolus has disappeared and duplicated chromosomes are visible, centrosome begins moving apart and spindle is in process
chromatids are attached to a spindle fiber (sister chromatid), chromosomes are aligned at the equator
sister chromatids part and become daughter chromosomes that move toward spindle poles, each pole receives the same number and kinds of chromosome as the parental cell
daughter cells are forming as nuclear envelopes and nucleoli reappear. chromosomes will become chromatin
division of the cytoplasm accompanies mitosis, begins in anaphase, continues in telophase and reaches completion by the start of the next interphase
cytokinesis in animal cells
a cleavage furrow, an indentation of the membrane between the daughter nuclei, begins as anaphase draws to a close.
nucleus contains homologous chromosomes
(look alike and carry the genes for the same traits
Meiosis prophase 1
chromosomes have duplicated, homologous chromosomes pair during synapsis and crossing over occurs
two chromosomes have switched portions and each switched portion is on the wrong chromosome
if the parental cell has 24 chromosomes, how many does each daughter cell have at the completion of meiosis 11
does metaphase of mitosis, meiosis 1 or meiosis 11 have the haploid number of chromosomes at the equator of the spindle
when during the human life cycle is the diploid number of chromosomes restored
when the egg and sperm unite fertilazation
how does the alignment of chromosomes differ between metaphase of mitosis and metaphase of meiosis 1
in mitosis chromosomes align at the metaphase plate. In meiosis 1 homologous pairs align at the metaphase plate
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