QUESTION 16 Independent assortment of chromosomes is a result of: The random and independent way in which each pair of homologous chromosomes lines up at the metaphase plate during meiosis I O The random nature of fertilization of ova by sperm The random distribution of the sister chromatids to the two daughter cells during anaphase II The relatively small degree of homology shared by the X and Y chromosomes All of the above are correct QUESTION 17 Which of the following is the largest level of organization? O organelles O organs O tissues cells O organisms

Q: Question 20 Fruit fly embryos, show superficial cleavage, where the peripheral nuclei in a syncytial…

A: Introduction Drosophila melanogaster is a species of fly which is also known as the fruit fly, the…

Q: Question 37 DNA is duplicated during: A) anaphase B) prophase C) S phase of interphase D) telophase…

A: DNA duplication In the context of genomics, duplication is a form of mutation in which one or more…

Q: QUESTION 9 How do the two cells formed by a mitotic cell division compare to each other? O A. The…

A: The cell cycle is a series of events that takes place for cell division. It comprised of two broad…

Q: How many generations are in this pedigree? What sex is the youngest child in

A: Each member in a Pedigree represent whether he is affected or not according to the inheritance…

Q: QUESTION 13 The figure below shows three cells from the same diploid organism. Use this figure to…

A: Introduction Cell Cycle:- It is a series of events that takes place in a cell as it grows and…

Q: Question 7 What do the structures A and B represent ? O Non-homologous chromosomes O Sister…

A: Introduction  Chromosomes are referred to the condensed stage of chromatin fibre. Chromosomes are…

Q: QUESTION 7 Match the event that happens in meiosis with how we simulated it in this lab. red and…

A: Meiosis is the stage of cell division in which reductional division takes place. In this phase of…

Q: Question 8 What do the structures A and D represent ? B C D O Sister chromatids O Homologous…

A: We are authorized to answer only one question at a time, since you have not mentioned which question…

Q: Question 1. All of the following events occur luring anaphase EXCEPT DNA replication the separation…

A: The main activities occur during anaphase: -Each chromosome's sister chromatids disengage from their…

Q: Question 11 Speciation is shown in the Phylogenetic Tree below. Ancestral globin gene mes Bl V…

A: Evolution of human globin genes.   Duplication of an ancestral gene about 500 million years ago.…

Q: Question 1 Review Concept 12.1 Cell Division. Match the term and its description. Each term can only…

A: The DNA is a genetic material that is present within the nucleus of eukaryotic cells. Usually the…

Q: Choices for Question 1, 2, 3, 4, 5 A. Cell plate B. Cleavage furrow C. Meiosis D. Leptotene E.…

A: Please note that the correct option for Q4 is missing from the given choices and hence the correct…

Q: QUESTION 1 The picture below represents a G1 cell from a newly discovered species that uses the X/Y…

A: Crossing over increases genetic diversity.

Q: QUESTION 10 Click directly on the chromosomal location named 2q22. You can click on either…

A:

Q: Question 8. A cell that has converted to a state of permanent cell cycle arrest is said to be in a…

A: The cell cycle is a process in which the cell undergoes growth and division in order to give the…

Q: QUESTION 17 Which statement about a dihybrid cross is true? O 1. It results in a genotypic ratio of…

A: A genetic cross that includes two pairs of different and contrasting characters is called the…

Q: QUESTION 9 How do the two cells formed by a mitotic cell division compare to each other? OA. The two…

A: The process of cell division works as the foundation stone of continuity of life. A cell always…

Q: Question 20 Which of the following statements regarding nondisjonction is incorrect? 1. could result…

A: # Non disjunction results in an extra chromosome in one of gamete and one less chromosome. Hence :…

Q: Which of the following occurs during meiosis in eukaryotic spermatogonia?   A. One diploid cell…

A: Spermatogenesis is the developmental process of haploid spermatozoa or spermatid (gametes) formation…

Q: Chromosomes are said to be homologous when : 1. they carry the genes for the same traits 2. they are…

A: Chromosomes are the condensed form of the chromatin. This condensation usually takes place in the…

Q: QUESTION 4 If the haploid number of chromosomes for a cell is 24, there would be 12 chromosomes in…

A: Answer : false

Q: QUESTION 23 I II III IV V VI Figure 10.2 Refer to the drawings in Figure 10.2 of a single pair of…

A: Anaphase is the stage where homologous chromosome separation starts.

Q: Question 50 Each strand of a homologous chromosome is called a: O Sister Chromatid O Chromatin O…

A: Chromatin - less condensed Chromosome - highly condensed Chromatin - Complex of DNA and proteins

Q: What occurs during metaphase phase of mitosis?

A: The M phase or Mitosis phases are the most dramatic period of the cell cycleinvolving major…

Q: QUESTION 34 Dynosaur inhibits the attachment of the microtubule motor protein dynein to…

A: Cell division is the process by which a cell grows and divides into two daughter cells. It is…

Q: Question 31 PART I-Problem Solving A clinical geneticist is investigating a new, rare syndrome,…

A: Introduction Single gene disorder:- The genetic disease caused due to the mutation in only one of…

Q: Question 3: A woman suffers from albinism and is also a carrier for haemophilia. Draw a well-…

A:

Q: QUESTION 27 A chemotherapy drug such as herceptin, which is used to treat certain types of breast…

A: The cell cycle check points are the regulatory elements in the cell that regulates the progression…

Q: QUESTION 10 Which of the following is not considered part of the cell cycle. Go G1 G2 S-phase…

A: The cell cycle: It has 4 phases. G1-phase is the first growth phase. S-phase is the phase where DNA…

Q: QUESTION 11 Which of the following is FALSE about mitotic cell division? OA Some cells repair and…

A: Mitosis is the division of a single cell into two daughter cells that are similar. It is the process…

Q: QUESTION 24 The gametes (eggs or spermatozoa) of a typical animal are: O haploid, with two copies of…

A: The gametes (eggs or spermatozoa) of a typical animal are of a specific nature. Here we will discuss…

Q: QUESTION 5 For an animal with a diploid genome that contains 36 pg of DNA, the nucleus of a somatic…

A: Cell cycle is the sequence of events taking place for the development and the growth of cell leading…

Q: QUESTION 5 Bob's hand was exposed to X-rays. A gene in a skin cell of his hand was mutated. This…

A: DNA (deoxyribonucleic acid) present in a cell carries genetic information that directs gene…

Q: QUESTION 8 Match the stages of mitotic cell division to the descriptions of those stages. v…

A: Introduction: Every cell undergoes a series of events that helps the individual cell in growth and…

Q: QUESTION 17 this is the duration of time it takes for cells to double in number in a culture where…

A: Cell division is the process by which a parent cell divides into the two or more daughter cells.…

Q: QUESTION 7 Match the event that happens in meiosis with how we simulated it in this lab. red and…

A: Meiosis is the division of a germ cell that involves two nucleolus fissions and produces four…

Q: Question 3 Two pure breeding lines of pea are crossed. One is purple-flowered and tall, the other…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Approximately what percentage of the cell cycle time does a cell spend in interphase?   Question…

A: Cell division is a very important process in all living organisms. During this process, replication…

Q: QUESTION 1 If plant cells had the following % of their cells in these stages of mitotic cell…

A: NOTE: AS PER OUR GUIDELINES, WE ARE ONLY ALLOWED TO ANSWER FIRST QUESTION, PLEASE RESUBMIT THE OTHER…

Q: QUESTION 8 Match the stages of mitotic cell division to the descriptions of those stages. v…

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

Q: In a series of crosses involving pea plants that have round or wrinkled seeds (round is dominant to…

A: Hi! Thank you for the questions. As you have posted a question with multiple subparts, I will be…

Q: Question 2. At the end of called a protease is activated and cleaves leading to the separation of…

A:

Q: QUESTION 28 The flies in the figure are mated. Which chromosomes would have the highest frequency in…

A: A breeding experiment among two animals that are exactly hybrid for two features is referred to as a…

Q: Question 64 The cell formed through fertilization of an egg by a sperm is called a/an O zygote. O…

A:

Q: QUESTION 7 Match the stage of mitotic cell division with its description. chromosomes line up in the…

A: (As you have asked multiple question, we will solve the first question for you. If you want any…

Q: Question 44 Choose the answer that correctly matches the terms and statements below: 1. Cells of…

A: Cell is the basic structural and functional unit of life.

Q: QUESTION 5 A typical human karyotype has chromosomes. A typical human egg or sperm has chromosomes.

A: Karyotype is the external morphology of all chromosomes. It is studied in the metaphase of mitosis.…

Q: Question 7 CELL CYCLE G1 G2 GO e In the cell cycle, wher DNA replication is completed, the cell…

A: Eukaryotic cells follows a cyclical events that is known as cell cycle. It is an orderly sequence of…

Q: QUESTION 9 During metaphase II of meiosis, O pairs of homologues chromosomes line up in the centre O…

A: (As per our guidelines, we are required to answer only the first question in case multiple questions…

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.