If an organism's diploid number of chromosomes is 10 (2n = 10), how many %3D different possible combinations of homologous chromosomes lining up during meiosis exist for the eggs or sperm produced by that organism?
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Q: . Common red clover, Trifolium pratense, is a diploidwith 14 chromosomes per somatic cell. What…
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A: A kinetochore is a disc-shaped protein structure associated with duplicated chromatids (1 homologous…
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A: Reproduction is the process of producing young ones from the parent.
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Q: How many chromosomes and how many chromatids in the picture??
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Q: Why is the word homologous used to describe chromosome pairs, rather than the word identical?
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A: chromosomes and chromatids will be present in each daughter cell at the end of meiosis I :
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Q: Which of the following describes a Homologous Chromosome?
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Q: how much of the human chromosomes are Submetacentric?
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Q: Is there homologous chromosome pairing in mitosis? and in meiosis? Explain.
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Q: why Monoploids as well as polyploids containing odd numbersof chromosome sets are usually sterile?
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Q: What letters are used to represent the short andlong arms of human chromosomes?
A: CHROMOSOMES These are thread-like structures located inside the nucleus of animal and plant cells.…
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Q: Assuming all of the chromosomes present during Meiosis II are shown in the figure above, how many…
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A: Introduction Cell division is the process by which a parent cell divides into two or more daughter…
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- For an organism with a diploid number of 6, how are the chromosomes arranged during metaphase?Give only typing answer with explanation and conclusion A diploid species has a total of 52 chromosomes. How many chromosomes would be found in a monosomy, trisomy, and autotriploid, respectively?If an organism has 15 pairs of homologous chromosomes, how many chromosomes will each daughter cell have after telophase of mitosis? In this same organism, how many chromosomes will each daughter cell have after telophase II of meiosis?
- Common red clover, Trifolium pratense, is a diploidwith 14 chromosomes per somatic cell. What wouldbe the somatic chromosome number of:a. a trisomic variant of this species?b. a monosomic variant of this species?c. a triploid variant of this species?d. an autotetraploid variant?Assuming all of the chromosomes present during Meiosis II are shown in the figure above, how many chromosomes (counting homologous pairs as two chromosomes) does a cell from this organism have immediately after fertilization?The dog Canis familiaris is a diploid organism with 39 pairs of homologous chromosomes. What is the 2n number for the dog? What is the n number for the dog?
- What are homologous chromosomes? a. The two halves of a replicated chromosome b. Two identical chromosomes from one parent c. Two genetically identical chromosomes, one from each parent d. Two genetically similar chromosomes, one from each parent2) A. Explain how polyribosomes form. B. Why might you expect the insertion of 3 DNA base pairs to be less disruptive than th deletion of a single base pair? C. Compare and contrast mitosis and meiosis with respect to their genetic outcomes? D. What are the possible consequences of non-disjunction during cell division? E. How does meiosis increase genetic diversity in populations?Variations in Chromosome NumberAneuploidy Describe the process of nondisjunction and explain when it takes place during cell division.
- Figure 7.2 If a mutation occurs so that a fungus is no longer able to produce a minus mating type, will it still be able to reproduce? Figure 7.2 (a) In animals, sexually reproducing adults form haploid gametes from diploid germ cells. (b) Fungi, such as black bread mold (Rhizopus nigricans), have haploid-dominant life cycles. (c) Plants have a life cycle that alternates between a multicellular haploid organism and a multicellular diploid organism. (credit c fern: modification of work by Cory Zanker; credit c gametophyte: modification of work by Vlmastra/Wikimedia Commons)Assume that a meiotic-nondisjunction event causes trisomy 8 in a newborn. If two of the three copies of chromosome 8 are absolutely identical, at what point during meiosis did the nondisjunction event take place?We are following the progress of human chromosome 1 during meiosis. At the end of prophase I, how many chromosomes, chromatids, and centromeres are present to ensure that chromosome 1 faithfully traverses meiosis?