Biology, 11.06.2020 21:57 james22000
Allele specific oligonucleotides (ASO) can be used to determine the different alleles present in a DNA sample. Single sperm, which have completed meiosis, can be used for a polymerase chain reaction (PCR). The amplified DNA is then spotted to filters and hybridized with probes that recognize single nucleotide differences. Four primers (called A, B, D, and E) were used to amplify DNA samples and ASO probes were used to determine the allele present (either allele 1 or 2). "X" indicates the allele is present and "–" indicates the allele is not present. What are genotypes of this male's parents for A, B, D, E loci?
Answers: 3
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Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.
Answers: 2
Allele specific oligonucleotides (ASO) can be used to determine the different alleles present in a D...
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