A woman with achondroplasia (a dominant form of dwarfism) anda phenotypically unaffected man have seven children, all of whomhave achondroplasia. What is the probability of producing such afamily if this woman is a heterozygote? What is the probabilitythat the woman is a heterozygote if her eighth child does not havethis disorder?

Q: Which of the following statements BEST describes this process. Daughter cells divide twice to form 2…

A: Gametes are cells that are formed by meiosis. Four gametes are formed as a result of two fissions.…

Q: Muscular Dystrophy is an X linked recessive disease. Maria and Nick are getting genetic counseling…

A: Answer : Given that, Muscular Dystrophy is an X linked recessive disease, this means the disease…

Q: Pseudohypertrophic muscular dystrophy is an inheriteddisorder that causes gradual deterioration of…

A: Pseudohypertrophic muscular dystrophy is a genetic disorder in which fibrous tissues and fat…

Q: A woman with an abnormally long chromosome 13 (and a normalhomolog of chromosome 13) has children…

A: Since this is a disclaimer part with multiple questions, we will answer the first question alone…

Q: Huntington disease is a rare fatal, degenerative neurological disease in which individuals start to…

A: Huntington disease is transmitted by an autosomal dominant allele (HD) of a single gene. Only one…

Q: Both members of a couple know that they are carriers of the cysticfibrosis allele. None of their…

A: Cystic fibrosis is an inheritable disease that affects the mucous and sweat glands. If each parent…

Q: A dominant allele, XE, carried on the X chromosome causes the formation of faulty tooth enamel,…

A: The genotype of a child is dependant on the genotype of the parents. A dominant allele can manifest…

Q: The allele for baldness is on the X chromosome only. Can any sons obtain theallele for baldness from…

A: A critical baldness gene is found on the X chromosomes. This suggests that the probability of…

Q: If an albino woman married a normal man, one of whose parents was albino, what would be the chances…

A: Mendelian genetics refers to the principles of inheritance first described by Gregor Mendel in the…

Q: Why do you think there are more types of trisomy disorders than monosomy disorders?

A: When you have an extra copy of a chromosome, trisomy diseases develop. When one copy of a chromosome…

Q: A child has a genotype AA, what possible combination of parental genotypes could have produced this…

A: Genotype is the appearance of genes of an individual. Each character in the gene is referred as…

Q: What is the relationbetween fecundation and theend of the meiotic processduring oogenesis?

A: Gametogenesis is the process of production of gametes i.e. sperm and egg through meiosis. During…

Q: Huntington disease is a rare dominant condition in humans that results in a slow but inexorable…

A: Huntington disease is an inherited neural disorder that causes the death of brain cells. The…

Q: What are mitosis and meiosis? These two processes are how parent cells produce daughter cells.…

A: Cell division is the process by which cell divides to produce daughter cells. There are two types of…

Q: Would a person with X0 genotype have ovaries, testes, or neither?

A: XO is a genetic condition known as Turner syndrome , in this condition female partially or complete…

Q: Assuming (i) that the two chromosomes in everyhomologous pair carry different alleles of somegenes,…

A: Homologous chromosomes are the ones that share some morphological features and have similar genetic…

Q: If a women has 5 children, all of which are girl…what is the probability that the 6th child will…

A: The sex of the off-spring depends on the male gamete that fuses with the female gamete. As males…

Q: Achondroplasia is a dominant trait that causes a characteristicform of dwarfism. In a survey of…

A: Introduction: The genetic macromolecule referred to as DNA is highly stable with regards to its base…

Q: Learning Goal: A STR has 4 alleles: A, B, C, and D. A region of DNA containing the STR was amplified…

A: DNA fingerprinting uses gel electrophoresis to distinguish between samples of the genetic material.…

Q: During meiosis, the number 21 chromosomes did not separate correctly. What disorder is caused by…

A: Meiosis is a cell division used to produce gametes (sperm or egg cells), in sexually reproducing…

Q: Can a trisomic A/A/a ever produce a gamete of genotype a?

A: Gamete- these are the cells that are capable of producing a new organism. These are the haploid…

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.