Sex ratio denotes the ratio of males to females in a population. The primary sex ratio is the ratio at the time of conception, secondary sex ratio is the ratio at time of birth, and tertiary sex ratio is the ratio of adult human beings. According to CIA estimates the current world sex ratio at birth is 107 boys to 100 girls. In 2010 the global sex ratio was 986 females to 1000 males, which got further reduced to 984 females to 1000 males in 2011.
No, the math term ratio doesn't mean multiply.
If you mean 15 and 45 then the ratio is: 1 to 3
because school girl uniforms are HAWT.
Approx 0.48, based on the global birth gender ratio for 2012.
Sex ratio denotes the ratio of males to females in a population. The primary sex ratio is the ratio at the time of conception, secondary sex ratio is the ratio at time of birth, and tertiary sex ratio is the ratio of adult human beings. According to CIA estimates the current world sex ratio at birth is 107 boys to 100 girls. In 2010 the global sex ratio was 986 females to 1000 males, which got further reduced to 984 females to 1000 males in 2011.
number of males/number of females at birth
Sex ratio is ratio of males to females in a population.
The male to female human sex ratio varies, due to demographics, environment, sex deterministic abortion, and imbalance in the male/female sperm viability ratio. The secondary ratio of boys to girls is about 105 to 100, or about 0.525 male. Estimates of the current birth sex ratio is about 0.535 male. The current global sex ratio (population) is about 0.507 male (2010) to 0.508 male (projected 2011).
Men to women ratio is termed as sex-ratio. The total sex-ratio of Nicaragua in 2004 was 1 male(s)/female. But sex-ratio is also calculated at different ages, so sex-ratio in Nicaragua in age-group is as follows in 2004.at birth: 1.05 male(s)/femaleunder 15 years: 1.04 male(s)/female15-64 years: 0.99 male(s)/female65 years and over: 0.78 male(s)/femaletotal population: 1 male(s)/female (2004 est.)
23 chromosomes for every 1 sex cell??
If you mean circumcision, It is removing the skin from the tip of the male sex organ, preferably (for him) at birth.
inter uterine device...a form of birth control
In humans the secondary sex ratio is commonly assumed to be 105 boys to 100 girls (which sometimes is shortened to "a ratio of 105"). In human societies, however, sex ratios at birth or among infants may be considerably skewed by sex-selective abortion and infanticide. The CIA estimates that the current world wide sex ratio at birth is 107 boys to 100 girls.
The low sex ratio is a problem. It is due to unwanted girl child.
They are probably referring to using protection (condoms, birth controls, dental dams) during sex - oral sex, anal sex, and vaginal sex.
As per Census 2011, Sex ratio of Kerala is 1084. [1084 females per 1000 males]