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Transcript 
SEX
DETERMINATION
MECHANISM



CHROMOSOMAL
GENEIC BALANCE
MOLECULAR
CHROMOSOMAL




XX-XY HETEROGAMETIC MALE
XX-XO --- ?
ZZ- ZW HETEROGAMETIC FEMALE
ZZ- ZO -- ?
WHAT IS SEX CHROMATIN
BARR BODY

A TEST FOR INTERNATIONAL SORTS.
SEX REVERSAL




SXr GENE
HORMONES
PIE BALD VD BALD
BEWARE OF ?????????
GENIC BALANCE





1
.5
SUPER FEMALE
META FEMALE
HAVE YOU EVER HEARD ABT
SUPERMAN.
MOLECULAR BASIS

MASTER GENE SX1

HOMEO GENE
Tra AND Tra 2
MECHANISM




XX- XY SEX CHROMOSOMES OR
ALLOSOMES
WHICH IS THE REAL CHROMOSOME ?
EFFECT OF ENVIRONMENT

Bonelia viridis



Snakes
Crocodiles
HS Genes
Prenatal diagnosis



FISH
Gene card
Blueprint baby

WHICH IS THE SUPERIOR SEX ?

MALE OR FEMALE
ABNORMALITIES OF SEX
CHROMOSOMES




TURNOR SYNDROME
KLINEFELTER SYNDROME
XYY SYNDROME
GYNADROMORHS
THE THIRD SEX
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