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22 Cards in this Set

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What are the differences between a Prokaryote and a Eukaryote (DNA)
Prokaryote-DNA coiled free in cytoplasm, plasmids
Eukaryote-DNA linear in nucleus, mitochondria
What is DNA composed of?
made of nuceotides (ribose deoxy)
a phosphate
base adnine guanine thymine cystosine (rna uricil)
a-t c-g
Barr Body
is the inactive X chromosome in a female cell, or the inactive Z in a male
leptin mutation
stop codon
Diploid/ Euploid
a cell with 46 chromosomes
haploid
a cell with 1/2 pr23 chromosomes
aneuploidy
the cell does not contain the euploid number
polysomy
extra chromasome
downs
XXY klienfellters
chromosomal disorders
problems with sex chromosome
autosomal dominant
autosomal recessive
x link disease
sex chromosome +/-
turner xo
klinefelter xxy
barr bodie
autosomal disorders dominant
-familia hypercholesterolemia
-huntingtons
neurofibromatosis elephatiasis
autosomal recessive
2 copy for expression
CF
PKU-phenylkentouria
albinism
sickle cell
x linked disease
duchanne MS
G6PDH hemolytic anemia
hemophellia
Mitosis
2 identical daughter cells
meiosis
4 haploid cells
What is a chromatid
during s phase the chromosomes are duplicated. During mitosis the duplicants are refered to as sister chromatids
what is p53
Gaurdian of the genome
TSG tumor suppression gene
meiosis
sex cells
what are the hormones involved with reproduction
GnRH
LH FSH
estrogen, androgenes
endocrine
paracrine
autocrine
blood stream
adjacent cell
same cell
Male reproductive
gamateogenisis=seminiferous
regulated by FSH(growth), LH(releases testosterone paracrine/edocrine)
sperm meiosis
stem cell
primary spermatocyte 1
secondary spermatocyte 2
spermatid 4
spermatizoa 4