chromosomes

Q: Provide four sources of error that can cause mistakes during meiosis

A: Meiosis : It's the reductional division in which a diploid cell divides to form four haploid…

Q: Using your knowledge of meiosis, explain why Drosophila progeny remain diploid? (2n=8)

A: The indirect process of cell division in which the chromosomes of parent cells divide once but…

Q: that a gamete underwent meiotic non-disjunction. Explain two possible outcomes for the zygote that…

A: In normal anaphase that occurs during the cell division, sister chromatids are pulled by…

Q: During oogenesis, nondisjunction of X chromosome occurred in meiosis I. If the resulting egg unites…

A: Non disjunction is the failure of chromosomes / chromatids to separate during Anaphase. In Meiosis…

Q: Given a diploid number of 2N=8 and two crossing-over events, trace the fate of these chromosomes…

A: Meiosis is the process of cell division used by germ cells to produce haploid cells so they can…

Q: escribe the process of meiosis (meiosis I and meiosis 2) and Explain the differences between…

A: A parent cell is divided into two or more daughter cells in the process of cell division. In…

Q: Describe one way that the events of prophase I vary from those of prophase ll during meiosis.…

A: Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…

Q: What is the relationship between non-disjunction, changes in chromosome number and miscarriage?  Why…

A: Chromosome abnormalities are of 2 types viz. numerical, where an individual has abnormal number of…

Q: In a possible future scenario, male fertility drops to zero, but, luckily, scientists develop a way…

A: Introduction: Parthenogenesis is also called virgin birth, where an organism reproduces without…

Q: Two parents who do not have color blindness have a daughter who has only one X chromosome and is…

A: The event of nondisjunction occurs when the chromosomes fail to separate during the process of…

Q: Trisomy 21, or Down syndrome, occurs when there is a normal diploid chromosomal complement but one…

A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. DNA is formed of the…

Q: identify the four products of single meiosis and compare them with the four products of many other…

A: The product of single meiosis are four haploid cells in which each chromosome has only one…

Q: Q1: What are the odds that a given egg cell will contain an X chromosome? A Y chromosome? What are…

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: Assuming that independence assortment occurs during meiosis what types of gametes will form…

A: Independent assortment is the separation of gene pairs independently from the other gene pairs.…

Q: In which meiotic division does independent assortment of unlinked genes occur? What does…

A: Cell division is a process by which a cell divides and it is necessary for the growth and…

Q: Show via a diagram how the product(s) of a meiotic (either I or II) nondisjunction involving the X…

A: Kilnefelter's Syndrome:  Klinefelter's syndrome is a genetic disorder in which a boy is born with an…

Q: In Meiosis, what is crossing over, how does it happen, and what is the significance of it?

A: Meiosis is a process in which a single cell divides in order to produce four cells which contains…

Q: Do the genes of the X and Ychromosomes determine onlysex characteristics?

A: The human cell contains 23 pairs of chromosomes. The first twenty three pairs of chromosomes are the…

Q: Extranuclear inheritance can involve genes that are present in:     ribosomes   mitochondria…

A: Extra nuclear inheritance is also known as cytoplasmic inheritance. Extra nuclear inheritance is…

Q: Explain the significance of events occurring in each phase of meiosis.

A: The human body is made up of a complex network of tissues and organs. The cells are the basic unit…

Q: Explain how the consequences of a disruption in the process of mitosis differ from the consequences…

A: Mitosis is a process where a single cell divides into two identical daughter cells. Meiosis is a…

Q: Name 2 sources of variation produced during meiosis.

A: Meiosis is a form of cell division in which the  reduction of the number of chromosomes to half…

Q: Identify the major events that occur in each phase of meiosis AND draw a labelled diagram.

A: Meiosis consists of two divisions, and the stages involved in the meiosis are  (prophase, metaphase,…

Q: Describe the process of crossing over AND identify the phase of meiosis when crossing over occurs.

A: Meiosis is the process in which a cell divides twice to create four cells containing the half amount…

Q: In which phase of meiosis would certain gene segments of the homologous pairs of chromosomes “cross…

A: Meiosis includes two cycles of nuclear division and only one cycle of DNA replication. The result of…

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.