It takes the average reader 4 hours to read Maternal Personality, Evolution and the Sex Ratio by Valerie J. Grant
Assuming a reading speed of 250 words per minute. Learn more
Women who are dominant are more likely to have sons. Demographic studies show that more male children are born after wars, yet most people believe that their baby's sex is a matter of chance - determined by the father's sperm. Valerie Grant presents evidence that the mother's personality - which is related to female testosterone levels - can actually influence which type of sperm fertilises the egg. Using data from human and animal studies Valerie Grant discusses the implications for human evolution, developmental psychology and reproductive biology. Her claims are controversial and the...
Maternal Personality, Evolution and the Sex Ratio by Valerie J. Grant is 240 pages long, and a total of 60,000 words.
This makes it 81% the length of the average book. It also has 73% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 5 hours and 27 minutes to read Maternal Personality, Evolution and the Sex Ratio aloud.
Maternal Personality, Evolution and the Sex Ratio is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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