Homologous pairs Study guides, Study notes & Summaries

base pair? correct answer: different nuclei types in DNA what is a gene? correct answer: What is the purpose of cell division? correct answer: Four events must occur for cell division: 1. Reproductive Signal -initiate cell division 2. Replication 3. Segregation 4. Cytokinesis Binary Fission correct answer: In prokaryotes, binary fission results 2 new cells. Why can't correct answer: Chromosomes? correct answer: wrapped up/ compiled DNA - made of DNA and proteins. ...

IB BIOLOGY GENETICS LATEST 2024 GRADED A+ Gene a heritable factor that controls a specific characteristic. Allele one specific form of a gene, differeing from other alleles by one or a few bases only and occupying the same locus as other alleles of the gene. Genome The whole of the genetic information of an organism gene mutation a change in the base sequence of a gene. Base substitution The smallest possible change is when one base in a gene is replaced by another. An exampl...

Which process describes cell division in prokaryotic organisms?Answer - binary fission What is the term used to describe about 150 nucleotides of DNA wrapped around a core of histone proteins?Answer - nucleosome Meiotic cell division plays a key role in which biological processes?Answer - sexual reproduction During the G1 phase of the cell cycle, most of the DNA would be in what state of compaction?Answer - 30-nm fiber During telophase of mitosis, how many DNA double helices make...

The two new daughter cells will be haploid, but the DNA they contain is still replicated. The homologous chromosomes have separated and are ready to start the second division, but they have not yet begun the second round of division. Which stage of the cell cycle is this cell in? - Telophase I Homologous pairs of chromosomes have separated into two cells. Sister chromatids in each cell have not yet lined up in the middle of the cell. Which stage of the cell cycle is this? - Prophase II Wh...

PCB 3063 Genetics 2023 Homework 1- 6- University of Central Florida Homework 1: Topics from BIO 1 and 2 [and other prereqs] that are really important foundations to General Genetics: I. Chemistry of small molecules a. Basic definitions and differences between elements, atoms, molecules and isotopes i. Element: ii. Atom: iii. Molecule: iv. Isotope: v. Important relationships? b. Basic definitions and differences between covalent, ionic, and hydrogen bonds i. Covalent bond: ii. Ioni...

Human cell can be categorized into gametes (Sperm & egg cells) and somatic cells, which include all cells other than gametes. Each somatic cell nucleus has 46 chromosomes in 23 pairs. These are diploid cells, and the individual’s fatherand mother each donate on chromosome per pair. New somatic cells are formed through mitosis and cytokinesis. Gametes are haploid cells: they have only 1 member of each chromosome pair, for a total of 23 chromosomes. Haploidcells are formed from diploid cel...

Meiosis Virtual Lab Questions and Answers 100% Pass Which action(s) below occur both in mitosis and meiosis? - chromosomal DNA condenses. -chromosomes move within cells -cell membranes pinch apart (in both mitosis and meiosis, chromosomes condense and move, and the cells pinch apart. However, meiosis produces cells that differ chromosomally, so they are not genetically equivalent) Which statement below is TRUE? Chromatids move apart during mitosis and meiosis. (Sister chromatids move apart duri...

Brooks Biological Principles Exam 3 Questions and Answers Mitosis - Answer- • the duplication and division of the nucleus • results in clones with *no* variation or adaptation • takes place in somatic cells (non-sex cells) • starts with one cell and creates 2 identical daughter cells • replicated chromosomes are evenly divided so that each daughter cell receives a complete set (46 chromosomes) • *can occur by itself*, but usually involves cytokinesis • not synonymous with ...

Disjunction ANSWER : the separation of chromosomes during the anaphase stage of cell division Non-disjunction ANSWER : Error in meiosis in which homologous chromosomes fail to separate. Aneuploid ANSWER : Abnormal number of chromosomes. Phenotype ANSWER : An organism's physical appearance, or visible traits. Meiosis ANSWER : •Cell division that produces reproductive cells in sexually reproducing organisms •The process of cell division in gametogenesis or sporogenesis during w...

Humans produce sweat as a cooling mechanism to maintain a stable internal temperature. Which of the following best explains how the properties of water contribute to this physiological process? - ANSWER The high heat of vaporization of water allows the body to remove excess heat through a phase change of water from liquid to gas A student placed a semipermeable membrane inside a U-shaped channel with two chambers, as shown. The membrane permits the movement of water but not salt. The...