First Sentence
As a geneticist, my professional interest in sex began over a decade ago when I first started to use that science to unravel some of the secrets of the human past. Read the first page
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These are the most frequently used words in another edition of this book.
almost
always
among
ancestors
animals
another
between
boys
cells
cent
chance
change
children
chromosomes
clan
come
common
daughters
day
different
dna
down
eggs
even
family
far
father
female
few
find
first
found
generation
genes
genetic
get
girls
going
great
human
hundred
individual
inherited
know
land
last
life
long
male
man
mdna
men
might
million
mitochondria
mitochondrial
mother
mutations
name
new
next
now
number
once
own
part
per
place
rather
reason
results
see
selection
sequence
set
sex
sexual
since
small
somerled
sons
species
sperm
still
surnames
sykes
take
things
though
thousand
three
time
two
viking
whether
without
women
work
world
years
