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Do brothers have the same x chromosome or asked another way can DNA determine between two brothers the real father of a daughter?
Brothers do not share the same X chromosome. Therefore, DNA analysis can determine the father of a daughter between two brothers with high accuracy by comparing the genetic markers on the child's DNA with the potential fathers'. This is done through paternity testing which looks at specific genetic markers to confirm biological relationships.
What is DNA microarray data analysis used for?
DNA microarray analysis is a technique used to match up two strands of DNA. It is used in paternity tests and in criminal investigations in which a perpetrator's DNA was found at the crime scene.
If you slept with two brothers and became pregnant do both brothers have to be tested to determine paternity?
Yes they do.
How can paternity be established when two men are told they are the father?
its not possible by genetic testing (DNA)
What is the best and most accurate paternity test?
DNA paternity tests are given with an accuracy. If that accuracy says 100%, then the test is 100% reliable. If the accuracy says 0%, then it means that there is no chance to two people are related.
How is STR data used in a DNA Paternity Test?
In a DNA paternity test, Short Tandem Repeat (STR) data is used by comparing the number of repeats of specific DNA sequences between the alleged father and the child. A paternity match is determined by analyzing the similarity or differences in the STR patterns between the two individuals. The more similar the STR patterns, the higher the likelihood of paternity.
Would two brothers have the simIlar dna?
It is very unlikely that two brothers would have babies with the same DNA. That could only happen if identical twin brothers married identical twin sisters, and even then the mixing of DNA during reproduction makes this an extremely unlikely outcome.
What two organelles in the cell contains DNA?
The main DNA in the cell is found in the nucleus. DNA is also found in two other organelles - the mitochondria and the chloroplasts.
How does one perform a paternity test?
Establishing paternity is very simplified these days and can be determined by comparing the DNA of the parties involved. When a child is born, the baby will get half of his DNA from Mom and the other half from Dad. By comparing the baby's DNA to that of its biological mother, any genes inherited from Mom can be eliminated. What remains then are the genes inherited from Dad. Comparing the DNA probes of the child and the alleged father can quickly confirm or deny paternity. If two or more probes do not match, the alleged father is ruled out. A comparison of probes between the three parties (mother, father and child) can establish paternity with 99.9% accuracy.
Name two common uses for DNA testing?
DNA fingerprinting, and testing for alleles.
The two purines in DNA are?
Adenine (A) and Guanine (G) are the two purines found in DNA.
Who has DNA fingerprints that are similar to your DNA fingerprints?
No two individuals (except identical twins) have the same DNA fingerprints, as they are unique to each person. DNA fingerprints are also known as DNA profiles and are widely used in forensics and paternity testing because of their individuality.
