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...crease or cease entirely. There are a number of different species-specific female hormonal cycles which can regulate reproduction. Human reproduction is regulated in females the menstrual cycle, a regular cyclic hormonal change which coordinate chan

...contain between 20 and 30 whales; females, calves, and juveniles (male and female). * Adult females (cows) reach more than 11 metres (36 feet) and weigh 25,000 kilograms (55,0

* Females have two X chromosomes. ('''XX''') '''In females''' - the main scientific problem was understanding gene dosage, only one co

...me]], which following sexual reproduction is inherited from each parent in females, and inherited from the mother in males. This inheritence pattern impacts u ...slated RNA (18 Kb) that is associated with the inactivated X chromosome in female cells to correct for the double gene dosage, 2 copies of the X chromosome.

chromosomes (fig. 44) . In the female of Drosophila one differs from those of the female in its shape, and

* Genes such as Wnt-4 and DAX-1 necessary for initiation of female pathway ovary development ...have correct levels of X chromosome gene/protein expression (gene dosage), females must "inactivate" a single copy of the X chromosome in each and every cell.

...th a variable phenotype caused by the presence of an extra X chromosome in females (47,XXX instead of 46,XX). Most individuals are only mildly affected or asy ...mmon female chromosomal abnormality, occurring in approximately 1 in 1,000 female births.

In 350 females it was complete 334 times, or 95-4 per cent. In 350 females it was incomplete 16 times, or 4°5 per cent., and in a similar number of m

[[Image:Gray1109 female urogenital sinus.gif|thumb|Historic Image of female urogenital sinus development]] * Understand the differences in male/female duct develpoment (mesonephric/paramesonephric).

...ast, a recent 2018 study of Latin American countries, has demonstrated a {{female}} association and a substantial decrease in this ratio following {{folate}} ...haly and cervico-thoracic spina bifida, showed a greater reduction rate in females than in males after FAF, resulting in a change of the sex ratio of infants

new category of [[#Females and Males of Reproductive Potential]]. ==Females and Males of Reproductive Potential==

....). In 173 male hearts there was a foramen in 51 (29°47 per cent.). In 133 females the foramen was met with 45 times (33°83 per cent.). Giving these figures 3. In females (133) 45 = 33.83

...University of New South Wales (UNSW), Sydney, specialising in the field of female reproduction and ovarian function. ...post-doctoral position investigating the role androgens play in regulating female reproduction and physiology. In February 2016 the UNSW recruited her to hea

...N; A, TYPE IN WHICH THE FEMALE IS XX AND THE MALE XO; B, TYPE IN WHICH THE FEMALE IS XX AND THE MALE XY. ...ed to these, that the male may have one sex chromosome like the two in the female, and in addition a smaller Y chromosome, and in a few cases the Y may be as

Sex determination (male/female) at the biological level is determined by the presence or absence of the {{ ...on the {{ChrY}} chromosome. Without this gene/protein the potential sex is female (see Male below).

...have 23 pairs of chromosomes, 22 autosomes and a pair of sex chromosomes. Females have a pair of X chromosomes (46, XX) and males have one X and one [[Y_Chro There is a separate page discussing {{X Inactivation}} that occurs in all female development with one of the X chromosomes to provide the correct gene dosag

| Sex determination (male/female) at the biological level is determined by the presence or absence of the Y ...Y gene on the Y chromosome. Without this gene/protein the potential sex is female (see Male below).

| Sex determination (male/female) at the biological level is determined by the presence or absence of the Y ...Y gene on the Y chromosome. Without this gene/protein the potential sex is female (see Male below).

...forms the membranous urethra, the prostatic urethra and penile urethra; in females it forms the membranous urethra and the vestibule of the vagina. The sex of ...ates specific genes for male sex development. If SRY is damaged or absent, female development occurs.

* Females have two X chromosomes. ('''XX''') '''In females''' - the main scientific problem was understanding gene dosage, only one co