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CH 9 10 and 12
CHS9 Chugh
25
Biology
9th Grade
11/30/2012

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Term
chromatin
Definition
the stuff chromosomes are made of

DNA and Protein looks like spaghetti
Term
centromere
Definition
the region were two chromatics are joined
Term
interphase
Definition
stage of the cell cycle during which a cell carries out its metabolic processes and performs its functions in the body
Term
mitosis
Definition
process by which the nucleus and duplicated chromosomes of a cell divide and are evenly distributed, forming two daughter nuclei

Asexual
Term
cytokinesis
Definition
cytoplasm is divided into two
Term
metastasis
Definition
spread of cancer cells
Term
meiosis
Definition
type of cell division that produces four cells, each with half as many chromosomes as the parent cell

Sexual
Term
homologous chromosome
Definition
twi chromosomes they both have the same function one from each parent
Term
sex chromosome
Definition
one of two chromosomes of the 23rd pair
Term
diploid vs haploid
Definition
diploid has two sets of chromosomes instead of just on like in haploid
Term
gamete vs zygote
Definition
gamete eggs and sperm with a single set
zygote federalized eggs with two sets of chromosomes
Term
[image]
Definition
crossing over creates recombinant chromosomes
Term
What is the difference of meiosis and mitosis
Definition
[image]
Term
particulet hypothesis of inheritance
Definition
that parents give their off spring alleles that determine a specific trait
Term
principle of segregation
Definition
when sperm or eggs form the alleles separate and each gamete carries only one allele for each trait
Term
independent assortment
Definition
that alleles are sorted independently and do not blend
Term
genetic linkage
Definition
alleles on a chromosome are inherited as/like a package unless crossing over separates them
Term
genetic linkage
Definition
alleles on a chromosome are inherited as/like a package unless crossing over separates them
Term
genome
Definition
complete set of DNA for an organism
Term
#human chromosome
Definition
46
Term
how is DNA packed in the nucleus of cells?
Definition
the DNA raps around histones which rap into a tight coil which twists into a super coil
Term
4 types of mutations
Definition
duplication
deletion
inversion
translocation
Term
transposon
Definition
jumping gene
Term
growth factors and tumor suppressor
Definition
start and stop cell division
Term
oncogene
Definition
is a cancer causing gene mutations are passed to offspring
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