Which of the following is caused by a point mutation that causes a change in the amino acid during translation? Cystic fibrosis Sickle cell anemia Thalassemia Hereditary spherocytosis
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This refers to a missense mutation, a type of point mutation where a single nucleotide change results in a codon that codes for a different amino acid. Show more…
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Which of the following conditions is caused by a dominant allele? Sickle cell anemia, Albinism, Achondroplasia, or Cystic fibrosis?
Suman K.
Hemoglobin is a protein that stores oxygen in red blood cells. In patients with sickle cell anemia, this protein can deform under stress. This is due to a mutation on chromosome 11. Below is the sequence for that gene. What type of mutation is this? What amino acid has changed? Original Code Template Strand: GTGCACCTGACTCCTGAG Mutated Code Template Strand: GTGCACCTGACTCCTGTG Second letter U C A G UUU UCU UAU UGU UUC Phe UCC Ser UAC Tyr UGC Cys UUA UCA UAA Stop UGA Stop UUG Leu UCG UAG Stop UGG Trp CUU CCU CAU CGU CUC CCC CAC His CGC Arg CUA Leu CCA Pro CAA CGA CUG CCG CAG Gln CGG AUU ACU AAU AGU AUC Ile ACC AAC Asn AGC Ser AUA ACA AAA AGA Arg AUG Met ACG Thr AAG Lys AGG GUU GCU GAU GGU GUC GCC GAC Asp GGC Gly GUA Val GCA Ala GAA GGA GUG GCG GAG Glu GGG This is a Frameshift mutation. Thymine was deleted from the code causing Adenine to move one forward. This has resulted in ASP being replaced with GLU This is a Frameshift mutation. Adenine was deleted from the code causing Thymine to move one forward. This has resulted in GLU being replaced with ASP This is a point mutation. Adenine has been changed to Thymine resulting in GLU being replaced with ASP This is a point mutation. Thymine has been changed to Adenine resulting in ASP being replaced with GLU
Jenny W.
Many different types of mutations can occur within the body. Sickle cell anemia is a disease that occurs when a mutation in the base pair of the hemoglobin beta gene causes a single replacement of the amino acid glutamic acid by the amino acid valine. As a result of this mutation, the individual's blood cells take on a sickle shape under certain conditions. Which type of mutation causes sickle cell anemia?
Anand J.
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