Biology Terms - MCAT
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| show | central region of a chromosome (or chromatid)
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| Centrioles | show 🗑
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| show | area which serves as a base for spindle formation
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| show | uncoiled DNA which appears granular
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| show | structure of spindle fibers radiating from centrosome
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| show | connection point of spindle fiber to centromere on chromosome
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| Binary fission | show 🗑
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| show | replication of nucleus with unequal cytokenesis; in yeast and hydra
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| show | regrowth of a lost or injured body part; replacement by mitosis
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| show | development of unfertilized egg into an adult organism
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| show | specialized cells that undergo meiosis
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| Homologous chromosomes | show 🗑
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| Synapsis | show 🗑
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| show | synaptic pair of homologous chromosomes; four chromatids
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| show | homologous chromosomes exchange equivalent pieces of DNA
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| show | points where crossing over occurs
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| show | result of crossing over; exchange of genetic data
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| show | separation of homologous chromosomes by chance to daughter cells
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| show | a pool of unique genes coding for alternative forms of a given trait
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| show | embryonic development through a series of rapid mitotic divisions
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| Determinate cleavage | show 🗑
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| Indeterminate cleavage | show 🗑
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| show | earliest solid ball of embryonic cells in the uterus
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| show | hollow sphere of cells
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| Blastulation | show 🗑
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| Blastocoel | show 🗑
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| Blastocyst | show 🗑
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| Trophoblast | show 🗑
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| Endometrium | show 🗑
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| show | three-layered structure: ectoderm, endoderm, and archenteron
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| Archenteron | show 🗑
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| show | opening of the archenteron
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| Deuterostomes | show 🗑
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| show | organisms for which blastopore develops into the mouth
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| show | the differentiation of a group of cells by another group (the organizers)
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| show | chemical substances passed by organizers during induction
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| Notochord | show 🗑
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| Fetus | show 🗑
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| Placenta | show 🗑
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| show | connection between fetus and placenta; develops from the allantois and yolk sac
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| Amnion | show 🗑
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| show | a membrane that completely surrounds the amnion and extends chorionic villi
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| Fetal Hemoglobin | show 🗑
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| show | carries oxygenated blood from the placenta to the fetus
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| show | a shunt that diverts the fetal blood to bypass the liver
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| Foramen ovale | show 🗑
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| Ductus arteriosus | show 🗑
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| Centromere | show 🗑
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| show | cylindrical organelles within the centrosome
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| show | area which serves as a base for spindle formation
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| show | uncoiled DNA which appears granular
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| Asters | show 🗑
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| show | connection point of spindle fiber to centromere on chromosome
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| Binary fission | show 🗑
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| show | replication of nucleus with unequal cytokenesis; in yeast and hydra
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| Regeneration | show 🗑
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| show | development of unfertilized egg into an adult organism
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| show | specialized cells that undergo meiosis
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| Homologous chromosomes | show 🗑
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| Synapsis | show 🗑
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| show | synaptic pair of homologous chromosomes; four chromatids
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| Crossing over | show 🗑
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| Chiasmata | show 🗑
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| show | result of crossing over; exchange of genetic data
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| Disjunction | show 🗑
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| Alleles | show 🗑
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| Cleavage | show 🗑
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| show | results in a cell whose future pathways are determined early
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| Indeterminate cleavage | show 🗑
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| Morula | show 🗑
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| show | hollow sphere of cells
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| Blastulation | show 🗑
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| Blastocoel | show 🗑
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| show | the mammalian blastula
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| Trophoblast | show 🗑
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| Endometrium | show 🗑
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| Gastrula | show 🗑
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| show | newly formed cavity of the two-layered gastrula; develops into the gut
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| Blastopore | show 🗑
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| show | organisms for which blastopore develops into the anus
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| show | organisms for which blastopore develops into the mouth
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| show | the differentiation of a group of cells by another group (the organizers)
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| show | chemical substances passed by organizers during induction
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| Notochord | show 🗑
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| Fetus | show 🗑
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| show |
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| show | connection between fetus and placenta; develops from the allantois and yolk sac
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| show | thin, tough membrane containing amniotic fluid which acts as a shock absorber
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| Chorion | show 🗑
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| Fetal Hemoglobin | show 🗑
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| Umbilical vein | show 🗑
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| show | a shunt that diverts the fetal blood to bypass the liver
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| Foramen ovale | show 🗑
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| show | a shunt connecting the pulmonary artery to the aorta
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