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...
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Identical twins come from a single egg that split into two embryos, and fraternal twins are...
Identical twins come from a single egg that split into two embryos, and fraternal twins are from separate fertilized eggs. Also, identical twins must be of the same sex and the sexes are equally likely, and sexes of fraternal twins are equally likely. If a pregnant woman is told that she will give birth to fraternal twins, what is the probability that she will have one child of each sex? Use the data table below to find the probability. boy/boy ...
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Identical twins come from a single egg that split into two embryos, and fraternal twins are from separate fertilized eggs. Also, identical twins must be of the same sex and the sexes are equally likely, and sexes of fraternal twins are equally likely. Use the data table to complete parts (a) and (b) below. Sexes of Twins boy/boy boy/girl girl/boy girl/girl Identical Twins 5 0 0 5 Fraternal Twins 10 10 10 10 a. After having a sonogram, a pregnant...
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Question 3) 1 out of 1000 births results in fraternal twins; 1 out of 1500 births results in identical twins. Identical twins 1 must be the same sex but the sexes of fraternal twins are independent and we assume each sex the probability is 2. Part A. Build the corresponding tree diagram. Part B. If two girls are twins, what is the probability they are fraternal twins? Part C. If there are 5 sets of twin girls, what is the...
2) Identical twins come from the same egg and hence are of the same sex. Fraternal...
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?
Some people incorrectly conclude that because identical twins have IQs more similar than fraternal twins, IQ...
Some people incorrectly conclude that because identical twins have IQs more similar than fraternal twins, IQ is genetically driven. Why is this incorrect? O A There are too few identical twins to properly do the study B Identical twins are always the same sex which distorts the findings C Identical twins studies need to be compared to studies of triplets in order to be accurate Identical twins have been treated as very similar and the extra similarity of their environment...
Maggie is pregnant with fraternal (non-identical) twins. Given Maggie and Glen's genotypes, what is the probability...
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