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Meiosis

Cell Reproduction TEST

TermDefinition
Meiosis A special process that produces haploid gametes from diploid cells
Gamete special reproductive cell with one set of chromosomes (haploid)
Zygote is produced when the gamete from one parent is combined with the gamete from the other parent
Fertilization occurs when two gametes combine to form a zygote
Haploid cell that only has one set of chromosomes (not paired)
Diploid cell that has two sets of chromosomes (pairs)
Fragmentation asexual reproduction in which the body breaks into two or more pieces which then grow into complete adults
Budding new individuals split off (sprout) from existing ones
Asexual Reproduction when one parent reproduces (offspring are genetically identical)
Sexual Reproduction when two parents combine DNA to produce offspring (fertilization)
Advantage of sexual reproduction Genetic diversity
Disadvantage of sexual reproduction You have to find a mate, uses lots of energy and resources
Sentence #1: Fertilization, Haploid, Diploid, Gamete, Zygote, egg, sperm Fertilization is when two haploid gametes, known as egg and sperm, combine to form a diploid zygote
Sentence #2: Meiosis, Gametes, Diploid, Haploid During meiosis a diploid cell divides twice to from four haploid gametes
Disadvantage of asexual reproduction No genetic variation (all offspring are identical to parents)
crossing over homologous pairs exchange segments of DNA
independent assortment homologous pairs line up randomly before they are separated
sources of genetic diversity during meiosis crossing over and independent assortment
homologous pairs paired chromosomes that are similar in size, shape and the genes they contain
Created by: Dbrese