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meosis

meiosis 10th grade

QuestionAnswer
another term for meiosis reduction division
fertilization the joining of an egg and a sperm
2n diploid
zygote fertalized egg
gamete sex cell
tetrad a group of four chromatids during prophase 1 of meiosis
the number of ceels produced by meiosis 4
haploid cell that has only one chromosome of a pair
the number of eggs made in meiosis 1
ovaries location where eggs are made
spermatolgenesis formation of sperm in the testes
testes location where sperm are made
sexual reproduction type of reproduction that involves two parents. offspring are different
gametogenesis the development of mature sex cells called gametes
male gonads testes
female gonads ovaries
female gamate eggs
cleavage results in the developing organism called the embryo
morula solid ball of cells
blastula hollow ball stage
gastrula on side of the blastula pushes inward. this results in the formation of a second inner layer of cells (endoderm)
endoderm inner cell layer of gastrula
ectoderm outer layer of gastrula
mesoderm between endoderm and ectoderm of gastrula
placenta mammals get food from placent inside of the mothers uterus. exchange of nutrients, respritory gases, and wastes
gastrulation differentiation of cells
disjunction separation of homologous chromosomes during anaphase
homologous chromosomes the chromosome of most organism cna be grouped into pairs of similar chromosomes in size and shape and have similar gentic content
synapsis each pair of chromatids line up with homologous pair and they become fastened at the centromere and exchange gentic info
somatic cell body cell
meiosis a kind of cell divison that results in gametes with the half number of chromosomes as the parent
fertilization the fusion of the nuclei of the male and female
zygote single cell formed by fertilization
crossing-over the exchange of genetic segments during the synapsis
gamete two special sex cells
karyotype pictures of chromosomes
gonads testes and ovaries
homologous chromosomes that are similar in size and shape
polar bodies these will disintegrate after oogenesis
Created by: emily870
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