The cell-free DNA test name was coined from the fact that ______. A. fetal DNA floats freely in the mother's blood, not inside the cell. B. no cell sample is required C. cells move freely in the fetal DNA D. None of the chocies are correct
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The cell-free DNA test name was coined from the fact that ______.
A. fetal DNA floats freely in the mother's blood, not inside the cell.
B. no cell sample is required
C. cells move freely in the fetal DNA
D. None of the chocies are correct
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- Two normal-looking fruit flies were crossed, and, in the progeny, there were 202 females and 98 males.a. What is unusual about this result?b. Provide a genetic explanation for this anomaly.c. Provide a test of your hypothesis.A genetic to lilustrate how a father with blood group A and a mother with blood group B could have four childrenThe ABO blood system has been used to settle cases of disputed paternity. Suppose, as a geneticist, you must testify during a case in which the mother has type A blood, the child has type O blood, and the alleged father has type B blood. How would you respond to the following statements? a. Mans attorney: The mother has type A blood, so the childs type O blood must have come from the father. Because my client has type B blood, he could not be the father. b. Mothers attorney: Further tests prove this man is heterozygous, so he must be the father.
- Mr. and Mrs. Flynn are concerned because their new baby doesn't resemble either of them and has type O blood. Mr. Flynn is type A and Mrs. Flynn is type B. They're sure that it's impossible to have a baby with a different blood type than the parents, and so they conclude that a mistake has been made. Are they correct? Explain your answer. Be specific. Use the correct blood alleles (IA, IB, i) in your explanation. genotypes:An expecting mother underwent a fetal blood test to determine if her unborn child has a genetic disorder. The results from the test indicated that the fetus has 3 chromosomes 21. No other individual within this family has this genetic anomality. Explain how this happened.DNA doubles ___. A. before mitosis B. during metaphase of mitosis C. at any time during cell division D. during prophase of mitosis E. immediately before prophase of mitosis
- Mr. and Mrs. Flynn are concerned because their new baby doesn't resemble either of them and has type O blood. Mr. Flynn is type A and Mrs. Flynn is type B. They're sure that it's impossible to have a baby with a different blood type than the parents, and so they conclude that a mistake has been made. Are they correct? Explain your answer. Be specific. Use the correct blood alleles (IA, IB, i) in your explanation. genotypes: Mr. Flynn _________ Mrs. Flynn __________ their baby ___________The nucleus of udder cell which was used to develop Dolly was taken from_______.a) Six year old Finn Dorset white sheep b) Seven year old white sheep. c) Six year old goat d) Five year old cowA human skin cell has 46 chromosomes. A human sperm cell hasa. 23.b. 46.c. 92.d. none of the above