50 um Figure 3. Grasshopper testis with differential staining and viewed under a microscope. Encircle the cell and label the specific stage in the meiosis it displays. Identify as many as you can witha minimum of two cells representing different stages. Make sure to specify whether the stage belongs to meiosis I or II. If you identify a cell at prophase I, then specify the substage.

50 um Figure 3. Grasshopper testis with differential staining and viewed under a microscope. Encircle the cell and label the specific stage in the meiosis it displays. Identify as many as you can witha minimum of two cells representing different stages. Make sure to specify whether the stage belongs to meiosis I or II. If you identify a cell at prophase I, then specify the substage.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter11: Meiosis And Sexual Reproduction

Section: Chapter Questions

Problem 10RQ: Which statement best describes the genetic content of the two daughter cells in prophase II of...

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Which statement best describes the genetic content of the two daughter cells in prophase II of meiosis? haploid with one copy of each gene haploid with two copies of each gene diploid with two copies of each gene diploid with four copies of each gene
Match each term with the best description. __ interphase a. different forms of a gene __ metaphase I b. useful for varied offspring __ alleles c. none between meiosis I and meiosis II __ zygotes d. chromosome lineup __ gametes e. haploid __ males f. form at fertilization __ prophase I g. mash-up time
Match each term with the best description. _______ DNA replication a. basis of variation in traits _______ metaphase I b. useful for varied offspring _______ alleles c. none between meiosis I meiosis II _______ prophase I d. similar to mitosis _______ zygotes e. haploid _______ gametes f. form at fertilization _______ males g. mash-up time _______ meiosis II h. chromosome lineup
A cell (2n = 4) has undergone cell division. Daughter cells have the following chromosome content. Has this cell undergone mitosis, meiosis I, or meiosis II?
The part of meiosis that is similar to mitosis is ___________ . meiosis I anaphase I meiosis II interkinesis
Assume a pericentric inversion occurred in one of two homologs prior to meiosis. The other homolog remains normal. During meiosis, what structure—it any—would these homologs assume in order to pair accurately along their lengths? V formation cruciform loop pairing would not be possible
Picture name - Tradescantia spathacea meiotic cell. HPO (400x)Shown below are photomicrographs of Rhoeo tradescantia cells undergoing meiosis. Answer the following question for each of the photomicrographs: Identify the cytogenetic abnormality observed (ex. ring, chain, laggard, bridge). Identify the meiotic stage in which these aberrations are observed (as shown in the photomicrograph). Explain how these aberrations are formed and relate to the possible causal mutation(s). Will this result to sterile and/or fertile gametes? Explain.
Meiosis stage descriptions 7. homologous pairs line up as tetrads along the middle of the cell 8. one of each homologous pair reaches the ends of the cell, the cell begins pinching in, and two new nuclear membranes form 9. DNA condenses in two haploid cells, the nuclear membranes disintegrate 10. sister chromatids split apart and daughter chromosomes move towards the ends of two cells 11. DNA replication has occured, DNA decondensed in one cell 12. four cells with half of the genetic material of a body cell result, all are different from each other Match the picture or the image with the name of the stage it represents. Use each stage just once for either an image or description.
Fill 3 blank spaces using MITOSIS MEIOSIS OR FERTILIZATION
Match the stage of meiosis to it's description. Watch for ”cell” versus ”cells”. Singular versus plural is a clue that will help you pick the right roman numeral.
Rhoeo tradescantia meiotic cells 1. What is the type of chromosomal aberration for each photo and what is the meiotic stage that it is at? 2. How did that type of mutation formed?
Choose the best matching phrase in the right columnfor each of the terms in the left column.a. meiosis 1. X and Yb. gametes 2. chromosomes that do not differbetween the sexesc. karyotype 3. one of the two identical halvesof a replicated chromosomed. mitosis 4. microtubule organizing centersat the spindle polese. interphase 5. cells in the testes that undergomeiosisf. syncytium 6. division of the cytoplasmg. synapsis 7. haploid germ cells that uniteat fertilizationh. sex chromosomes 8. an animal cell containing morethan one nucleusi. cytokinesis 9. pairing of homologouschromosomesj. anaphase 10. one diploid cell gives rise to twodiploid cellsk. chromatid 11. the array of chromosomes in agiven celll. autosomes 12. the part of the cell cycle duringwhich the chromosomes are notvisiblem. centromere 13. one diploid cell gives rise to fourhaploid cellsn. centrosomes 14. cell produced by meiosis thatdoes not become a gameteo. polar body 15. the time during mitosis whensister chromatids…