Mutations must occur in which cells of the parent to be inherited by their offspring?

Q: How Mutations in differentgenes cause the same disease?

A: The permanent change in the sequence of nucleotides of the genome in an organism is called a…

Q: What mutations affect phenotype?

A: Alteration in the DNA sequence of the cell is known as a mutation. Various types of mutations found…

Q: What is the genetic premises

A: A scientific premise can be defined as the knowledge that is gained based on the hypothesis and…

Q: Having a mutant form of the gene XYZ is associated with a higher incidence of cancer than is seen in…

A: A mutant gene XYZ is linked with higher incidences of causing cancer than other mutation. The XYZ…

Q: A homeotic mutation is one in which?

A: Any group of genes that control the pattern of body formation during the early embryonic development…

Q: Explain why IC3 is able to stop cancerous cells from dividing ?

A: Tumor-suppressor proteins are those proteins that normally act to stop abnormal cell growth. But…

Q: Explain how changes in chromosome structure may affect gene expression.

A: Chromosomal aberrations are changes in the number and arrangement of genes in the chromosomes. They…

Q: Describe how Ras and p53 can alter the simplified genetic pathway controlling cell division shown…

A: There are two general types of genes that play a fundamental role in cancer induction:…

Q: How long is the COI gene?

A: A gene is a stretch of nucleotides present in the DNA molecule. It encodes information for the…

Q: Which mutation, if it occurred in an individual’s mother, could be passed on to her child?

A: The type of mutation which is passed on to the child from their parents is called a hereditary…

Q: Describe the steps by which the TP53 gene responds to DNA damage and/or cellular stress to promote…

A: It codes for a protein or a functional product rRNA (ribosomal RNA) or tRNA (transfer RNA). DNA is…

Q: What will happen if an organism inherits a defective or incomplete set of chromosomes

A:

Q: A change in what type of cell is most likely to cause a mutation that can be inheri

A: Ans-  A change in sperm cells cause a mutation that can be inherited. Mutations in egg or sperm…

Q: Explain how epigenetic changes can contribute to tumorigenesis.

A: Tumors are clumps of cells formed by uncontrollable cell division. Tumorigenesis is the uncontrolled…

Q: As the most junior member of a lab, you are tasked with generating cell lines that accumulate DNA…

A: If DNA damage occurs then the cell cycle will be arrested and the cell try to repair the damaged…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.