GENETICS AND EVOLUTION
GENETIC BASIS OF INHERITANCE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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50% chance of a female with baldness
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100% chance of a male with baldness
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50% chance of offspring with baldness
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50% chance male offspring will be bald
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Detailed explanation-1: -A female inherits one X chromosome from her father. Because the woman’s mother does not carry the allele for pattern baldness, the woman only carries one copy of the allele. If the couple has a son, there is a 50% chance that the son will inherit the X-linked allele for pattern baldness from his mother.
Detailed explanation-2: -The primary baldness gene is on the X, or female chromosome, which men do inherit from their mothers. A study from the University of Bonn in Germany from 2005 confirmed this, and added fuel to the mother myth. And it is true: the hereditary factor is more dominant on the mother’s side.
Detailed explanation-3: -Men inherit the baldness gene from the X chromosome that they get from their mother. Female baldness is genetically inherited from either the mother’s or father’s side of the family. Baldness may be influenced by a number of other factors as well, including age, health, diet, hormones, seasonal changes and climate.
Detailed explanation-4: -So there’s a 50% chance you’ll receive the X chromosome with the baldness gene, and a 50% chance you’ll get the other X chromosome. A mother carrying the X-linked primary baldness gene will pass it on to half of her kids. Any sons who inherit the gene are very likely to be bald.
Detailed explanation-5: -What causes female pattern hair loss? It’s hereditary. You inherit the genes from your mother, father, or both. Because FPHL is more common after menopause, hormones may also play a role.