Gametes of an alien fruit fly (found by Dr. through meiosis just like Earth-dwelling fruit flies. How many chromosomes does a Ur cell in their eye have? O Twenty four O Six O Two ONone, fruit flies do not have cells O Twelve

Q: How many sex cells are in a pair of chromosomes

A: Sex cells contain only half the chromosome number and it is called haploid number. It is represented…

Q: Which process occurs in meiosis but does not occur in mitosis? synapsis of chromosomes chromosome…

A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…

Q: The chromosome are arranged to show

A: A karyotype is a complete picture of the chromosome set of an individual. For example, a human has…

Q: A kinetochore is a___________ structure that forms on a chromatid during cell division and allows it…

A: A chromosome is a thread like structure present within the living cells. It contains the genetic…

Q: Ture or False- Throughout mitosis, sister chromatids are identical, but sister chromatids are not…

A: A chromatid is the identical half of the duplicated chromosome. After the duplication of the…

Q: At the metaphase plate of meiosis I, chromosomes are arranged as: a. Each chromatid alone ОБ. Dyads…

A: All the cells undergo differentiation and regeneration forming two types of cells, somatic cells…

Q: Chromosomes number 1 through 22 are known as the: O strange sex chromosomes O boring O fun O…

A: DNA is the nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid in which…

Q: An important function of meiosis is to reduce the chromosome number to exactly half. How is this…

A: Meiosis: Meiosis is a form of cell division that produces four gamete cells by reducing the number…

Q: The process of meiosis is essential to the formation of which type of cells in the human body

A: Meiosis is the process in which single cell divides twice to produce four cells which contains half…

Q: Review Concept 13.2. Match the term and its description. Each term can only be used once. the…

A: Cell is the building block of the body. It is basic structural and functional unit of life.

Q: Question 99 Which event occurs only during prophase I of the first meiotic division? O a.…

A: 3rd option is correct

Q: You observe this cell in an organism you know nothing about. This cell could be in

A: Mitosis Mitosis is a step in cell cycle in which single cell is divided into two daughter cells. In…

Q: Observation of White Fish Blastula mitosis, given the different stages like prophase

A: Rapidly dividing cells are utilized in the experiment to analysis cellular division in animal and…

Q: why Triploid Organisms Are Usually Infertile

A: Triploid organisms can occur naturally or can be created by genetic modification. Triploids are…

Q: In humans, every male gamete contains: A One X and one Y chromosome One X chromosome C Two X…

A: Gametes are the reproductive cells of the organism. They are also called sex cells. Male gametes are…

Q: Kinetochores at the centromeres are sites where ______fibers attach to the chromosomes.

A: A kinetochore is a disc-shaped protein structure associated with duplicated chromatids during cell…

Q: Which term describes the failure of homologous chromosomes to move to opposite poles of the cell…

A: Cell division is splitting up of parents cell so as to formed new daughter cell . It is of two types…

Q: What happens during crossing over in meiosis? O replication of DNA

A: Meiosis is a process that produces reproductive cells that convey genetic features from parent to…

Q: After mitosis and cytokinesis, the chromosome number of descendent cells is ____ the parent cell.

A: Mitosis and meiosis are nuclear division processes that occur during cell division. Mitosis is a…

Q: Prevention of genetic abnormalities by reducing the number of chromosomes in a cell by half. meiosis…

A: Cell Cycle:  A cell cycle is a set of events that occur in a cell as it divides and grows. A cell…

Q: Gametes Meiosis Fertilization Zygote (2n 2n Diploid multicellular Mitosis organism (a) Animals…

A: The development of a new organism from two parents using their sex cells or gametes is known as…

Q: Gametes Meiosis Fertilization Zygote (2n 2n Diploid multicellular organism Mitosis (a) Animals What…

A: The life cycle of an animal includes processes of fertilization, mitosis and meiosis in the cells…

Q: Meiosis, Crossing over- process, and why it is needed.

A: Meiosis is a form of cell division which results in the formation of haploid gametes.In this form of…

Q: etes have   homologous chromosomes   twice the number of chromosomes found in body cells   two sets…

A: Chromosomes can be defined as the thread-like structures that is situated on the inside of the…

Q: Aneuploidy is caused by ______, the failureof two homologous chromosomes to separate in meiosis.

A: Aneuploidy is the presence of an abnormal number of chromosomes in a cell, for example a human cell…

Q: For each of the following, identify what characteristics of a species male and female karyotype…

A: Answers and Explanation : 1. Genic : In this case, the ratio of number of X chromosomes to the…

Q: What is the correct chromosomal condition at late prophase (prometaphase) of mitosis? _____________…

A: Introduction : The cell cycle is an organised group of steps. DNA replication and cell expansion…

Q: Including the sex chromosomesthe chromosome number of a normal human cell is 23 and the chromosome…

A: Introduction  HeLa cells are the cancer growth cells which is taken from an African lady named…

Q: 2 6. 89 10 11 12 13 14 15 16 17 18 87 20 .. .. 19 20 21 22 There is only one pair of in this…

A: This is the karyotype which gives the detailed number and structure of the chromosomes present in…

Q: Mitosis reduces the chromosome number fro diploid to haploid for the production of gametes.  True…

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

Q: Question 1 Two divisions O Mitosis O Meiosis O Both mitosis and meiosis

A: Introduction :  Cell cycle is a series of events that occur in a cell when it grows and divides.…

Q: Meiosis, oh meiosis, let me tell you what it means. It's a special kind of cell division with some…

A: Meiosis is a type of cell division that occurs in sexually reproducing organisms, which involves the…

Q: Sex chromosome aneuploidy is usually welltolerated because only one X chromosomeremains __________…

A: Step 1 Aneuploidy is the numerical change in the chromosome number in the genome or genomes of an…

Q: e ihe carroct hiological torm for acch of the follcing docoripuV. VmIKG y the term next to the…

A: The phase during which DNA replication takes place is called as S phase or synthesis phase in which…

Q: Meiosis I is considered _____________ division.     Equational     Equal     Balanced…

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

Q: Because mitosis results in sister chromatids being separated, that results in what kind of cells?…

A: Eukaryotes undergo two types of cell division i.e. Mitosis and Meiosis while Prokaryotes undergo…

Q: When does crossing over happen in chromosomes? O Meiosis Prophase O Meiosis metaphase O Mitosis…

A: Cell division is the means of reproduction in unicellular (single-celled) organisms, whereas in…

Q: A cell (2n = 8) is preparing to go through meiosis. Before S phase, this cell has _____. After S…

A: Almost all types of cells with some exceptions undergo cell division in order to multiply. During…

Q: Meisosis ___________ the parental chromosome number. Group of answer choices halves doubles…

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

Q: What happens when sex cells does not undergo or complete the Meiosis I and Meiosis II

A: The cell is the structural and functional unit of life. The cell is bound externally with…

Q: Meiosis in spermatogonia begins After the first ejaculation At puberty During early child hood  At…

A: Spermatogenesis is the complex and highly regulated biological process responsible for the…

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.