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Mitosis + Meiosis

Science Test terms

TermDefinition
Mitosis cell process in which the nucleus divides to form two nuclei identical to each other, and identical to the original nucleus, in a series of steps (prophase, metaphase, anaphase, and telophase).
Chromosome Structure in a cell's nucleus that contains hereditary material.
Asexual Reproduction a type of reproduction - fission, budding, and regeneration - in which a new organism is produced from one organism and has DNA identical to the parent organism.
Sexual reproduction a type of reproduction in which two sex cells, usually an egg and a sperm, join to form a zygote, which will develop into a new organism with a unique identity.
Sperm haploid sex cell formed in the male reproductive organs; in humans, males reproductive cells produced in the testes.
Egg haploid sex cell formed in the female reproductive organs.
Fertilization in sexual reproduction, the joining of a sperm and an egg
Zygote new diploid cell formed when a sperm fertilizes an egg; will divide by mitosis and develop into a new organism.
Diploid cells whose similar chromosomes occur in pairs.
Haploid cell that is half the number of chromosomes as body cells.
Meiosis reproductive process that produces four haploid sex cells from one diploid cell and ensures offspring will have same number of chromosomes as the parent organism.
DNA deoxyribonucleic acid; the genetic material of all organisms; made up of two twisted strands of sugar-phosphate molecules and nitrogen bases.
Gene section of DNA on a chromosome that contains instructions for making specific proteins.
RNA ribonucleic acid, a type of nucleic acid that carries codes for making proteins from the nucleus to the ribosomes.
Mutation any permanent change in a gene or chromosome of a cell; may be beneficial, harmful, or have little affect on an organism.
Cytokinesis the division of the cell cytoplasm that usually follows mitotic division of the nucleus.
Mitosis cell process in which the nucleus divides to form to nuclei identical to each other, and identical to the original nucleus, in a series of steps (prophase, metaphase, anaphase, and telophase)(PMAT)
Homologous body parts that are similar in structure and origin and can be similar in function.
Created by: 21.quinton.meney