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Q: Why do human births have a 50 percent chance being a boy or a girl?
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Related questions

What percent water is the HUMAN being?

70%


Are ginger people 20 percent weaker than your average human being?

No, there is no scientific evidence to suggest that people with red hair are weaker than individuals with other hair colors. Physical strength is determined by a variety of factors such as genetics, lifestyle, and training, not hair color.


How many seconds between human births in the world?

3


What is the probability of a human offspring being female?

50% because the male and female would both have the chance


How much water does the human being contain?

95 percent, I know for a fact, I'm a scientist


What makes dolpins a mammal?

They give live birth to there young ( similar to human births)


What is the chance that a human zygote will receive one X and one Y sex chromosome during fertilization 100 percent 25 percent 75 percent 50 percent?

Fifty percent. All eggs contain an X chromosome. Sperm are either X or Y, and are usually present in equal numbers.


How many percent a heart should work in a normal human being?

55% to 75%


What is one factor that enhanced human population growth?

The agricultural revolution, characterized by the shift from hunting and gathering to farming, is a significant factor that enhanced human population growth. This transition allowed communities to produce a more reliable and abundant food supply, leading to population growth through increased food security and reduced mortality rates.


How does the structure of the uterus in the cat correlate to multiple births from each pregnancy?

Human normally have single births from a pregnancy, whereas the expanded uterus in cats facilitates multiple births. if your cat is pregnant, the uterus will be greatly enlarged and you may find many fetuses inside.


What percent of the human population has leukemia?

5.7 percent


What percent of the human body is an arm?

Nine percent.