Which is a FALSE statement about X inactivation in mammalian females? O Females that are heterozvaoLIs for an X-linked gene bave patches of cells that express one allele and patches of cells that expre

Q: What is the gene in the human chromosome that determines the "maleness"?

A: Gene is the sequence of nucleotides that encode a particular protein. The genes are present in the…

Q: Describe the process of X-chromosome inactivation in mammals

A: X-chromosome inactivation, also known as lyonization, is a process by which one of the copies of the…

Q: Which of the following statement is false about X chromosome inactivation in mammals? O It only…

A: Mary F. Lyon, a British scientist, identified the mechanism of "X-inactivation". One X-chromosome is…

Q: Explain why the erasure phase of imprinting is necessaryin eggs.

A: Genomic imprinting is a type of epigenetics, where an alteration in gene or chromosome changes the…

Q: is C correct? because females can also inherit x-linked traits, they won’t express it but they’ll be…

A: A gene is considered to be X-linked if it is found on the X chromosome and not on the Y chromosome.…

Q: Barr bodies O are formed in females are formed only in males O cause an increased production of…

A: A small, heavily pigmented component called the Barr body or sex chromatin, is found in the nucleus…

Q: How does X inactivation contribute to a person’s phenotype? a. It controls the number and kind of…

A: X chromosome denotes one of the two sex chromosomes, another is the Y chromosome. Females are…

Q: Criminals will be scared away by the scan of your face that a facial recognition system does?

A: Face recognition technologies are getting increasingly common in society, with employment in…

Q: In marsupials like the opposum or kangaroo, X inactivation selectively inactivates the paternal X…

A: Since we only answer up to 3 sub-parts, we’ll answer the first three. Please resubmit the question…

Q: Describe/list the steps of how p53 can cause the GI phase to stall.

A: The p53 growth suppressor macromolecule plays a key role in the regulation of the cell cycle and…

Q: Predict the potential effect of the Lyon hypothesis on the retina of a human female heterozygous for…

A: LYON'S HYPOTHESIS -- The hypothesis , named after Mary Lyon  stated  it , suggesting  that doseage…

Q: Color blindness is an X-linked recessive trait. An XX female can be colorblind in one eye due to…

A: X chromosome inactivatiom is a random process. Either of the X chromosome is inactivated in human in…

Q: Explain how X-chromosome inactivation may affect thephenotype of female mammals

A: The inactivation center called XCI is responsible for the inactivation of X-chromosomes. This center…

Q: In the sex-linked inheritance pattern of hypertrichosis, a man who carries an X-linked allele will…

A: Hypertrichosis is a sex-linked trait which means that it is caused by a gene located on the X…

Q: In an XXYY human: two X chromosomes are inactivated in every cell one X chromosome is inactivated…

A: The correct statement for an XXYY human is:2. One X chromosome is inactivated in each somatic cell.

Q: Discuss the types of experimental observations that Mary Lyonbrought together in proposing her…

A: A sex chromosome also termed as allosomes are involved in the determination of sex in individuals.…

Q: Flies and mammals use an XY chromosomal system of sex determination. Therefore, the mechanism to…

A: FALSE Females contain two X chromosomes and meals contained only one X chromosome in individuals…

Q: Which of the following statements is FALSE? Inactivation of one of the two X chromosomes in the…

A: They were discovered in 1876. These are the tertiary structures of DNA formed as a result of complex…

Q: The human female has two X chromosomes. In which of the following ways will x-linked traits be…

A: X and Y chromosomes are sex chromosomes. The female has two X chromosomes and the male has XY…

Q: Describe how X-linked traits are inherited and explain how X-linked inheritance is different from…

A: Inheritance is the process by which the genetic information is passed on from the parent to child.

Q: Number of FEMALE offspring that would have the condition of an X-linked trait, if an affected man…

A: The mode of inheritance is a pattern of obtaining parentral alleles  or genes to the offsprings. The…

Q: In fruit flies, eye color is an X-linked trait.  Red eyes (XB) are dominant to maroon eyes (Xb). A…

A: An alternate form of a gene is called alleles.  The dominant allele is represented by a capital…

Q: Occasionally, a mouse X chromosome is broken into two pieces and each piece becomes attached to a…

A: The X chromosome is one of the two sex chromosomes in mammals, along with the Y chromosome. The X…

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.