population genetics
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explores the genetic composition of groups and individuals of the same
species (population) and how that composition changes over time and
space
reductionary division
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, the chromosome number is reduced from diploid (46 chromosomes) to
haploid (23 chromosomes). Also known as first meiotic division and first
meiosis. ; the first cell division in meiosis, the process by which germ cells
are form
plasma membrane
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found in both prokaryote and eukaryotic cells; membrane that separates
the interior of all cells from the outside environment.
tetrad
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the four products of meiosis; all 4 chromatids of homologous pair of
chromosomes
mutations
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changes in genetic information that can be passed from cell to cell or from
parent to offspring
,phenotype
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appearance or manifestation of a characteristic
karyokinesis
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division of a cell nucleus during mitosis.
cohesin
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molecule that holds the two sister chromatids of a chromosome together.
the breakdown of cohesion at the centromeres enable the chromatids to
separate in anapahase of mitosis and anaphase II of meiosis
epistasis
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, type of gene interaction in which a gene at one locus masks or suppresses
the effects of a gene at a different locus
xy chromsomes
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males
dosage compensation
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equalization in males and females of the amount of protein produced by X
linked genes; in placental mammals, this is accomplished by the random
inactivation of one X chromosome in the cells of females
isogametes
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a gamete indistinguishable in form or size or behavior from another gamete
with which it can unite to form a zygote.
nucleus
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explores the genetic composition of groups and individuals of the same
species (population) and how that composition changes over time and
space
reductionary division
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, the chromosome number is reduced from diploid (46 chromosomes) to
haploid (23 chromosomes). Also known as first meiotic division and first
meiosis. ; the first cell division in meiosis, the process by which germ cells
are form
plasma membrane
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found in both prokaryote and eukaryotic cells; membrane that separates
the interior of all cells from the outside environment.
tetrad
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the four products of meiosis; all 4 chromatids of homologous pair of
chromosomes
mutations
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changes in genetic information that can be passed from cell to cell or from
parent to offspring
,phenotype
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appearance or manifestation of a characteristic
karyokinesis
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division of a cell nucleus during mitosis.
cohesin
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molecule that holds the two sister chromatids of a chromosome together.
the breakdown of cohesion at the centromeres enable the chromatids to
separate in anapahase of mitosis and anaphase II of meiosis
epistasis
Give this one a try later!
, type of gene interaction in which a gene at one locus masks or suppresses
the effects of a gene at a different locus
xy chromsomes
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males
dosage compensation
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equalization in males and females of the amount of protein produced by X
linked genes; in placental mammals, this is accomplished by the random
inactivation of one X chromosome in the cells of females
isogametes
Give this one a try later!
a gamete indistinguishable in form or size or behavior from another gamete
with which it can unite to form a zygote.
nucleus
