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semester 2 bio

The first day of the semester notes

TermDefinition
meiosis a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.
karyotype the number and visual appearance of the chromosomes in the cell nuclei of an organism or species.
homologous chromosome Homologous chromosomes are chromosome pairs of approximately the same length, centromere position, and staining pattern, with genes for the same characteristics at corresponding loci.
sex chromosome a chromosome involved with determining the sex of an organism, typically one of two kinds.
diploid (of a cell or nucleus) containing two complete sets of chromosomes, one from each parent.
gamete a mature haploid male or female germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote.
haploid (of a cell or nucleus) having a single set of unpaired chromosomes
fertilization the action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote.
zygote a diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum.
tetrad a group or set of four.
Created by: owleek
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