Figure 16 shows the division of chromosomes and chromatids during meiosis. Both types of cell division take place in eukaryotic organisms. Meiosis is cell division in the ovaries of the female. Mitosis and meiosis worksheet packet document sample. Mitosis one large cell makes two smaller cells with same number of chromosomes. Preparing for meiosis preceded by interphase duplication of dna s phase of interphase of meiosis just like in mitosis m1 prophase meiosis. If you dont see any interesting for you, use our search form on bottom v. In the mitosis and meiosis lab, you investigated sexual and asexual reproduction as well as the processes of cellular division by mitosis and meiosis.
Crossing over during prophase iother phases are similar to mitosis ends with two daughter cells, nonidentical each has two copies of same halfset of chromosomes, these two copies are same except for crossing over. Version 4200940002 lab report assistant this document is not meant to be a substitute for a formal laboratory report. Mitosis can occur in either haploid or diploid cells, whereas meiosis occurs only in cells with the diploid or polyploidy number of chromosomes. The cell cycle, mitosis and meiosis university of leicester. Get instant access to ebook 11 4 meiosis answers pdf at our huge library. Outline mathematically what the cell is trying to do in mitosis and meiosis and understand the differences between the two. In meiosis, however, there are two nuclear divisions. To understand the role of the cell cycle in the growth of cells and the differences between mitosis and meiosis. Comparison of meiosis mitosis after dna replication 2 nuclear and cell divisions required to produce haploid gametes each diploid cell in meiosis produces 4 haploid cells sperm 1 haploid cell egg each diploid cell mitosis produces 2 diploid cells male and female meiosis. In humans, the gametes are formed by meiosis, the zygote if formed by fertilisation, and the rest of the growth of the organism is by mitosis. How do es plant cell mitosis differ from the mitosis of cells that lack a cell wall. Nucleosomes chromotin packing unit beads on a string 3.
Meiosis occurs only at the final division of gamete maturation. Meiosis is a specialised type of cell division, the principal function of which is to produce sporesgametes sperm and eggs in mammals that have the haploid number of chromosomes. To identify the phases of mitosis to learn what happens in each phase pictures in this presentation are courtesy of wikimedia commons thursday, september 24, 2009 mitosis has four phases, we will go through each phase. The lab report assistant is simply a summary of the experiments questions, diagrams if needed, and data tables that should be addressed in a formal lab report. Cells produced will fuse together during sexual reproduction. Two part cell division homologs separate sister chromatids separate meiosis i diploid haploid meiosis ii haploid homologous chromosomes separate in meiosis i sister chromatids same genes, same. In mitosis, the cells nucleus divides once to give rise to 2 genetically identical diploid cells. M e io s is is a p ro c e s s fo r re d u c in g c h ro m o s o m e n u m b e r fro m 2 n to 1 n. This lab explores the processes of mitosis and meiosis through both physical in this case, we can use a simple statistical test called chisquare x2 analysis. Mitosis using the illustration from part b, arrange the number of illustrations 15 in correct order. Meiosis can be viewed as essentially two mitotic divisions backtoback, without an additional sphase between the two divisions. Prophase, metaphase, anaphase and telophase are the 4 phases in both meiosis and mitosis.
Mitosis is the process by which the somatic cells of all multicellular organisms multiply. On the back, a define each ofthe words below using only pictures b label each ofyour drawings with the appropriate vocabulary word, and c note whether the word relates to mitosis, meiosis, or both. Join our community just now to flow with the file meiosis and mitosis and make our shared file collection even more complete and exciting. Fill in the blanks based on your knowledge of mitosis and meiosis. Vchow do cancer cells behave differently from healthy ones. Meiosis produces daughter cells with half the information c ontained in the parent cell. Nov 24, 2015 on this page you can read or download meiosis pogil answers pdf in pdf format. Mitosis is cell division which begins in the zygote fertilized oocyte stage and continues in somatic cells during the life of the organism. Mitosis and meiosis are both processes of cell division, but their outcomes are very different. Interphase g1phase and g2phase g gap are the phase of cell growth sphase s synthesis is the phase of dna replication. Understanding gametes, zygotes, and haploid diploid numbers. Mitosis match the illustration with the part of the cell cycle use above letters from questions 16. Interphase is the resting phase when cells are not dividing. There are two types of normal cell division mitosis and meiosis.
Then i withdraw my objection, judge, and will so stipulate that the gentleman is an expert in mitosis and nothing else. M i to s i s c h e a t s h e e t differences between mitosis and meiosis event mi to s i s me i o s i s. The differences and similarities in the processes of mitosis and meiosis and relate these. Dna replication is completed prior to the beginning of this phase.
Mitosis, meiosis i, meiosis ii nuclear membrane breaks. Pdf mitosis and meiosis almost 90 of the cycle is taken up with interphase during which dna in the nucleus is replicated. Nuclear membrane as an expert in meiosis but as one on mitosis. Mitosis is division involved in development of an adult organism. A diploid cell is one in the nucleus of which the chromosomes are present in the form of pairs i. Mitosis match the description with the part of the somatic cell cycle. Summary content notes mitosis in mitosis you learned how the chromosomes carry the genes that hold the information for each individual. The dna content of the cell is increasing during this phase. Fibers, looped domains, condensed coils higher order organization of chromatin fig. Meiosis can be considered as two cell divisions known as meiosis i and meiosis ii, each of which can be considered as having prophase, metaphase, anaphase and telophase stages as in mitosis. Teacher preparation notes for mitosis and the cell cycle.
Mitosis there are two kinds of cell division in eukaryotes. Mitosis produces all body cells except the gametes. Science classroom mitosis flip books student worksheets. The cell cycle, mitosis and meiosis learning objective this learning material is about the life cycle of a cell and the series of stages by which genetic materials are duplicated and partitioned to produce two daughter cells with the same genetic component as the parent cell. The chromosomes number of the resulting cells is the same as that of the parent cell. According to the cell theory, new cells are created by the division of existing cells. How many chromosomes would be found in its daughter cells after mitosis. Meiosis begins while at first glance meiosis may appear the same as mitosis, these processes result in the formation of very different cell types. Outline the importance of reduction division in producing gametes. During the process, the chromosomes duplicate to form two identical daughter cells.
Mitosis is the process in which a parent cell splits into two daughter cells that are exactly alike. Miguelbiologia globalbiologiaseccion 33 capitulo 11. En estos ejemplos, cada celula diploide tiene seis cromosomas 2n 6. Unit 6mitosis and meiosis welcome to my class website. Mitosis animation on this site the phases of mitosis can be studied in more detail. How many chromosomes would be found in its daughter cells after meiosis. Department of biological sciences university at buffalo, state university of new york. Introduction for organisms to grow and reproduce, cells must divide. The phases of meiosis are s phase the dna is replicated, fo rming sister chromatids. We offer two versions of the mitosis student handout. A kinetic learning approach to mitosis and meiosis brian kreiser,1 rosalina hairston2 1departm ent of b iol og cal sci nces, x 5018, u nv rsity of souther m s ssippi, hattiesburg, ms 39406 email. Nov 24, 2015 on this page you can read or download snurfle meiosis answers in pdf format. The daughter cells are usually genetically identical to the parent cell.