High levels of what hormone increases the likelihood of fraternal twins?
High levels of what hormone increases the likelihood of fraternal twins?
Homework Answers
Factors that regulate the probability of getting twins:
1. Age: Women over 30 are more likely to conceive twins. This is
due to the fact that FSH levels rise as a woman
gets older.
FSH is responsible for the development of eggs in the ovaries.
2. Physiology
3. Genetics/Family history
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High levels of what hormone increases the likelihood of
fraternal twins?
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Fraternal twins are no more genetically similar that non-twin siblings, yet the IQs of fraternal twins are more strongly correlated that those of non-twin brothers and sisters? What is the difference?
*100 sets of identical twins and 100 sets of fraternal twins are studied for rates of...
*100 sets of identical twins and 100 sets of fraternal twins are studied for rates of asthma. Results are: Identical Twins: Both have disease: 4, Neither have it: 61, One has it/other does not have it 35. Fraternal Twins: Both have disease 15, Neither have it: 75, One has it/other does not have it 10. Calculate the Concordance and Disconcordance Rate for the Identical Twins and for the Fraternal Twins.
Identical twins come from the same egg and hence are of the same sex. Fraternal twins...
Identical twins come from the same egg and hence are of the same sex. Fraternal twins have a 50-50 chance of being the same sex. Among twins the probability of a fraternal set is 13 and an identical set is 23 . If the next set of twins are of the same sex, what is the probability they are identical?
Identical twins come from a single egg that split into two embryos, and fraternal twins are...
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2) Identical twins come from the same egg and hence are of the same sex. Fraternal twins have a 50-50 chance of being the same sex. Among twins the probability of a fraternal set is p and an identical set is q=l-p. If the next sets of twins are of the same sex, what is the probability they are identical?(10p)
1 out of 1000 births results in fraternal twins; 1 out of 1500 births results in...
1 out of 1000 births results in fraternal twins; 1 out of 1500 births results in identical twins. Identical twins must be the same sex but the sexes of fraternal twins are independent and we assume each sex the probability is 1/2 ; If there are 5 sets of twin girls, what is the probability that at least four of the sets are identical twins?
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