Complete the following blanks with the following word bank: ReferencesMailingsReviewViewAcrobatO Tell mee ShareO CommeCalibri (Bo...v A A三12Aa v三vU v ab x, xStyles StylesPaneDictateCreate and Share RequestAdobe PDFSignatures2. Complete the following blanks with the following word bank. Each word may be usedmore than once: different, diploid, fertilization, gametes, haploid, identical, meiosis,mitosis, zygote.Diploid germ cells undergoto produce haploidthatfrom each other. Twoploid gametes unite duringareto form azygote. The zygote then divides byto formploid daughter cells which eventually form anembryo and develops into an offspring.3. Which process (fertilization, meiosis, or mitosis) forms each of the following:plant leavesSpermbody organs

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Description: Complete the following blanks with the following word bank: ReferencesMailingsReviewViewAcrobatO Tell mee ShareO CommeCalibri (Bo...v A A三12Aa v三vU v ab x, xStyles StylesPaneDictateCreate and Share RequestAdobe PDFSignatures2. Complete the following

Meiosis is the process by which gametes are formed. It is a reduction division because the number of…

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Science

Biology

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Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter13: Observing Patterns In Inherited Traits

Section: Chapter Questions

Problem 1SQ

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Is it more indicated for ageneticist desiring to map theX chromosome of the motherof a given family (theresearcher does not haveaccess to her DNA, only accessto the genetic material of theoffspring) to analyze thechromosomes of herdaughters or of her sons?
Please write in digital formatDefine the following terms:a) Triploidb) Monosomicc) Trisomicd) Deletion
. Complete the following statements using as many ofthe following terms as are appropriate: mitosis, meiosis I (first meiotic division), meiosis II (second meioticdivision), and none (not mitosis nor meiosis I normeiosis II).a. The spindle apparatus is present in cells undergoing_____.b. Chromosome replication occurs just prior to _____.c. The cells resulting from _____ in a haploid cellhave a ploidy of n.d. The cells resulting from _____ in a diploid cellhave a ploidy of n.e. Homologous chromosome pairing regularly occursduring _____.f. Nonhomologous chromosome pairing regularlyoccurs during _____.g. Physical recombination leading to the productionof recombinant progeny classes occurs during_____.h. The separation of sister centromeres occurs during_____.i. Nonsister chromatids are found in the same cellduring _____.
A woman who sought genetic counseling is found to be heterozygousfor a chromosomal rearrangement between the second andthird chromosomes. Her chromosomes, compared to those in anormal karyotype, are diagrammed on the next page:(a) What kind of chromosomal aberration is shown? (b) Using a drawing, demonstrate how these chromosomeswould pair during meiosis. Be sure to label the differentsegments of the chromosomes.(c) This woman is phenotypically normal. Does thissurprise you? Why or why not? Under what circumstancesmight you expect a phenotypic effect of such arearrangement? The woman in above problem has had two miscarriages. Shehas come to you, an established genetic counselor, with thesequestions:(a) Is there a genetic explanation of her frequent miscarriages?
A woman who sought genetic counseling is found to be heterozygousfor a chromosomal rearrangement between the second andthird chromosomes. Her chromosomes, compared to those in anormal karyotype, are diagrammed on the next page:(a) What kind of chromosomal aberration is shown? (b) Using a drawing, demonstrate how these chromosomeswould pair during meiosis. Be sure to label the differentsegments of the chromosomes.(c) This woman is phenotypically normal. Does thissurprise you? Why or why not? Under what circumstancesmight you expect a phenotypic effect of such arearrangement? The woman in above problem has had two miscarriages. Shehas come to you, an established genetic counselor, with thesequestions:(a) If not, what is the chance that she could have a normalchild? Provide an informed response to her concerns
Can you think of anything that would prevent meiosisfrom occurring in an organism whose genome isalways haploid?
Match the chromosome disorder to its descriptionin the key. Jacobs syndrome a. female with undeveloped ovaries and uterus, unable to undergopuberty, normal intelligence, can live normally with hormonereplacementb. XXY male, can inherit more than two X chromosomesc. male or female, mentally impaired, short stature, flat face, stubbyfingers, large tongue, simian palm creased. XXX or XXXX femalee. caused by nondisjunction during spermatogenesis
The drawings below represent four possible cells produce by meiosis in a cell pf the genotype AaBb. Examine the figures below and answer the questions that follow: 1. How many different types of cells are produced at the end of Meiosis I? A *Write your answer as a word, not a number 2. Is there any other way you could have arranged the chromosomes? For example, a. Could A and a be arranged so that both go to the same cell after Metaphase I (Yes/No)? B b. Could B and b be arranged so that both go to the same cell after Metaphase I (Yes.No)? C c. Could A and B be arranged so that both go to the same cell after Metaphase I (Yes/No)? D d. Could A and b be arranged so that both go to the same cell after Metaphase I?(Yes./No) E 3. Are the daughter cells haploid, or diploid? F 4. Do the daughter cells have the same genetic composition as the original cell (Yes/No)? G 5. Focus on the four daughter cells…
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…
I need help. the answer choices for both blanks are diploid, haploid or zaploid.
A tomato geneticist attempts to assign five recessivemutations to specific chromosomes by using trisomics.She crosses each homozygous mutant (2n) with each ofthree trisomics, in which chromosomes 1, 7, and 10 takepart. From these crosses, the geneticist selects trisomicprogeny (which are less vigorous) and backcrosses themto the appropriate homozygous recessive. The diploidprogeny from these crosses are examined. Her results, inwhich the ratios are wild type:mutant, are as follows:Which of the mutations can the geneticist assign towhich chromosomes? (Explain your answer fully.)
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.