British ancient song, singing is: “ the little girl is what form? Candy, http://www.isabelmarantu-sneakeres.com - sneakers isabel marant , spice and everything nice things. The little boy again is what constitutes? Scissors, snails and pet dog's tail. ” is it right? Girls really just born beautiful, gentle, and impulse, boys, http://www.abercrombiefrancei.com - abercrombie , naughty, love? Is formed from a fertilized egg that moment, http://idc88601.byethost13.com/dx/forum.php?mod=viewthread&tid=90912 - 2013 January - Essay story - Prose Log essay - Article Reading Network , http://www.saclancelspaschersfr.com - lancel pas cher , sex chromosome determines the sex of the baby in your tummy, and with their birth, growth, and they have their own what kind of special sign. What are the factors of

gender difference is influenced by which factors?

from childhood, http://www.saclancelspaschersfr.com - sac lancel , the baby began to realize their gender, and began to mimic the gay elders. For example, to see my mother cooking, female baby will imitate in the house when her mother was cooking, see the baby to imitate, parents will be very happy to say: “ really cute ah! ” and if the baby is male such imitation, parents said: “ is not a male baby! ” so the baby to imitate and parents the feedback will have a great impact on the baby.

finally decided to sex?

from infancy to childhood, childhood, gender characteristics of children except congenital, and influence from parents, grandparents, friends, TV, out of place, kindergartens, so the parents to have a child of their own policy the baby.

new look from the outside is very difficult to see men and women, only to judge from clothing, name etc, http://bgw011096.chinaw3.com/bbs//viewthread.php?tid=4598325&extra= - Five four youth festival poster five four education mark Youth Festival poster P , http://www.abercrombierandfitchukus.co.uk - abercrombie , and the baby from the growth curve at the age of 0 are basically no difference. However, the male baby girl born, the brain is different. The brain can be divided into “ the old brain ” (&mdash — limbic system; hypothalamus) and “ new brain &rdquo (neocortex), http://www.abercrombiefrancesus-soldes.com - abercrombie ; two, “ the old brain ” differences born men and women, control appetite, libido, etc, http://www.hollistermagason-frances.com - hollister france ., in the old brain, male sex than women. But the old brain controlled by new brain, http://www.amyitis.com/plus/view.php?aid=94789 - sun bath benefits of , so the environmental impact of acquired growth larger. But the brain is not to control the gender differences between men and women there, http://www.hermespasecherfr.com - hermes pas cher , but for the sake of more human.

gender differences of innate, but also by the infant environmental impact of

sex is sex chromosome decision

had better not too clear gender differences in

from the beginning when large gender differences?

babies have very large individual differences in the body, although below will enumerate some gender differences in male and female baby baby, but more important is the factor, http://www.isabelmarantes-sneakerse.com - sneaker isabel marant . After 1 and a half after the baby started to show gender differences, the play styles are quite different. In sexually mature girls will be relatively early, but that is what happened after puberty. Infant period, the gender difference is small.

in chromosome mother is: 22 pairs of chromosomes and one pair of sex chromosomes, two sex chromosomes are X, http://www.hollisterco-francea.com - hollister france . The father is also on chromosome 22, plus a pair of sex chromosomes. But the sex chromosomes of a X, a Y. Eggs and sperm are only half of the chromosome, if combined with eggs with X chromosome sperm, baby is a girl, if combined with the Y chromosome sperm is a boy. During the 6 week, the female embryo and almost no difference between male embryos, http://www.abercrombierandfitchukus.co.uk - abercrombie uk . Starting from 7 weeks of gestation, the fetus sex organs begin. At 11 weeks of gestation, the boy's penis, testis is formed basically, while girls formed the clitoris, labium majus, http://conversepascherfr.webnode.fr - converse .

1 years old of the following infant gender differences in

parents should do?

on gay elders deepened the gender difference of

gender difference is how to deepen?