Q: what part of interphase II is crucial in meiosis for the producttion of haploid cells?
A: During the formation of haploid cells or gametes, the process of meiosis occurs twice (Meiosis I and…
Q: The nuclear DNA content of a single sperm cell in Drosophila melanogaster is approximately 0.18…
A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…
Q: why must sexually reproducing organisms use both processes of mitosis and meiosis, while asexually…
A: Mitosis is an equational cell division in which diploid parent cells give rise to two identical…
Q: What is the probability that, in an organism with a haploid number of 10, a sperm will be formed…
A: Meiosis is a type of cell division where four gametes or daughter cells are produced as a result of…
Q: How many chromosomes does a human normal haploid cell have? How many chromosomes does a human normal…
A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…
Q: Where does meiosis occur in males? Why are each of these stages important in sexual reproduction?…
A: Meiosis is a type of cell division that results in the formation of four daughter cells that have…
Q: Why do diploid organisms that reproduce via sexual reproduction even bother with meiosis? What is…
A: Cell division Cell division is an important event in which the cell divides and increases in number.…
Q: Why is meiosis important for the maintenance of the normal quantity of chromosomes of a species with…
A: Meiosis is the process by which male and female gametes (n), sperm and ovum are produced from their…
Q: During the human life cycle, what process is responsible for reducing thenumber of chromosomes from…
A: Cell division which halves the chromosomes number from 46 to 23-- We have to understand the cell…
Q: Which is the type ofgamete produced by aheterozygous individual?What is the genotypicalproportion of…
A: Alleles are the two-contrasting form of genes. They are pairs of genes on a chromosome that…
Q: Which of the following correctly describes the gametes that will form as a result of nondisjunction…
A: Meiosis is a reductional division. It reduces the chromosome number to half.
Q: During which of the following steps does is genetic diversity produced? Mark all that apply. During…
A: Genetic diversity is the complete number of genetic features in the genetic cosmetics of a species,…
Q: Why is it necessary for gametogenesis to reduce the chromosome number of the sex cells by one-half?
A: Ans: Gametogenesis: It is the biological process in which haploid or diploid cells divide as well as…
Q: Why is meiosis necessary in sexual reproducing organisms?
A: Meiosis: it's another method of cell division which occurs in sexually reproducing organims. Where…
Q: In humans, what are the random and non-random events in sexual reproduction (post-meiosis) that…
A: Reproduction is the process in which new offspring are produced from the parent. Sexual reproduction…
Q: Which, if any, of the following sex-chromosome aneuploids in humans are fertile: XXX, XXY, XYY, XO?
A: Aneuploids are a kind of chromosomal mutations which results in abnormal number of chromosomes.
Q: Male honeybees, which are haploid, produce sperm by meiosis.Explain what unusual event (compared…
A: Meiosis is the reduction division type of cell division in which the original number of chromosome…
Q: Which of the following makes sexually reproduced offspring genetically different from their parents?…
A: Genetic variation refers to the differences present in gene sequences between individuals and caused…
Q: What are the advantages and disadvantages of the alternation between fertilization and meiosis in…
A: The fusion of female gamete (egg cell) and male gamete (sperm) is termed as fertilization.
Q: Assume that meiotic nondisjunction event causes trisomy 8 in a newborn. If two of the three copies…
A: Nondisjunction is that the failure of the chromosomes to separate, that produces daughter cells with…
Q: Can two normal individuals of the same species with sexual reproduction have identical genomes and…
A: Sexual reproduction requires gametes. Gametes are produced by meiosis. During meiosis, crossing over…
Q: Define the following terms related to sexual production: a.) Autosome b.) Sex chromosome c.) Gamete…
A: The type of reproduction in which two parents are involved is known as sexual reproduction.
Q: Considering an organism with three pairs of homologous chromosomes, how many different kinds of…
A: Answer : Since there are 3 pairs of homologous chromosomes, therefore 2N = 6 N = 3 to Calculate…
Q: How does the role of meiosis in gamete production differ between organisms with a diploid-dominant…
A: An organic existence cycle (or simply lifestyles cycle or lifecycle) is a sequence of modifications…
Q: The human RGS10 gene is found on Chromosome 10. How many copies of RGS10 does one egg gamete have,…
A: The meiotic cell division is a process that takes place exclusively during the phenomenon of Sexual…
Q: How does meiosis maintain the number of chromosomes in a sexually reproducing species?
A:
Q: During spermatogenesis, which of the following options describes when cytokinesis would occur?…
A: Meiosis is a process where single germ cell divides twice to produce 4 cells containing half of the…
Q: If nondisjunction of the sex chromosomes takes place in meiosis I in the male, what sexual…
A: Meiosis is a type of cell division in which a diploid cell undergoes reductional division to form…
Q: How mang sister chromatids are found in a single human cell undergoing Prophase II of Meiosis?
A: Meiosis is a reduction division. Number of chromosomes gets reduced by half in daughter cells.…
Q: Most eukaryotic organisms reproduce sexually, but a few eukaryotic organisms, like Bdelloid…
A: Parthenogenesis is a type of reproduction in which female egg develops into a embryo with out any…
Q: There are 56 chromosomes in a mature elephant cell. If one of the elephants cells responsible for…
A: Mitosis: In all eukaryotes Equational division (Diploid (2n) => Diploid (2n)) Meiosis: In…
Q: The mouse haploid genome contains about 2.9 × 109 nucleotide pairs of DNA. Indicate how many…
A: Ploidy means the number of homologous chromosomal sets in the cell or organism genome. The number n…
Q: How does prohpahse in mitosis differ from prohpahse 1 in meiosis? What genetic advantage does…
A: Mitosis and meiosis are two different types of cell division process. Meiosis is reductional…
Q: A diploid organism has five pairs of chromosomes in each somatic cell. Assuming that no crossing…
A: When the DNA molecule is well organized and packaged into thread-like structures in the nucleus of…
Q: One of the earliest events that distinguishes meiosis occurs in prophase I and involves: Question…
A: Cell Cycle: The cell cycle, also known as the cell division cycle, is a series of processes that…
Q: Why is the offspring formed by asexual reproduction referred to as clone?
A: Two forms of reproduction are- 1. Asexual reproduction- It involves single parent. 2. Sexual…
Q: If each sperm of Species X has 10 chromosomes, what are the numbers of chromosomes and complements…
A: The sperms are male gametes that are produced through the process of spermatogenesis in the…
Q: Which of the following statements is an incorrect description of the processes of mitosis or meiosis…
A: Answer:
Q: In what way does the position of the heterozygous organism of two genetic loci on the same…
A: Crossing over puts new alleles together in combination on the same chromosome, causing them to go…
Q: How many polar bodies will be produced by 32 primary oocytes considering that their meiosis II is…
A: Gametogenesis is the process of formation of haploid gametes from undifferentiated diploid germ…
Q: Please draw the diagram and explain. An organism with a diploid number of 6 reproduces sexually and…
A: The term meiosis is associated with a form of cell division that results in the formation of four…
Q: A sexually reproducing animal has two genes that assort independently, one for head shape (H) and…
A: Meiosis occurs in sexually reproducing cells to produces gametes . Meiosis produces genetic…
Q: What will be the number of chromosomes in Turner’s syndrome and Klinefelter's syndrome of an…
A: Turner syndrome It is a chromosomal abnormality which affects only females. It is due to the absence…
Q: What is the importance of chromosomal crossover events during meiosis I? Explain in a detailed…
A: Meiosis is a kind of cell division that produces four haploid daughter cells, each having half the…
Q: Since the goal of making haploid gametes is to create cells with only one full set of chromosomes…
A: The cell division in which parent cell divides into four daughter cells with half the chromosome…
Q: Why is meiosis necessary for sexual recombinations?
A: In the process of meiosis, a single cell divides twice to produce four haploid daughter cells…
Q: In cats, each cell normally contains 19 pairs of chromosomes (2n=38). How many chromosomes will be…
A: 1.Polar bodies --19 chromosome A polar body is a small haploid cell that is formed at the same time…
Q: Are human gametes haploid or diploid? Are human somatic cells haploid or diploid? Are fertilized…
A: Ploidy refers to the total number of chromosome sets present in the cell of an organism.
Q: An individual is heterozygous for a reciprocal translocation, with the following chromosomes: A • B…
A: Translocation in chromosomes refers to the abnormal chromosomal rearrangement. It could be a…
What are the non-random events that occur during sexual reproduction (post-meiosis) in humans?
Please be specific on naming the events.
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- What is the probability for a spermatozoid to receive only maternal chromosomes (that were given by the mother of this man) ?Why is meiosis necessary in sexual reproducing organisms?What are the advantages and disadvantages of the alternation between fertilization and meiosis in sexually reproducing organism?
- Why do diploid organisms that reproduce via sexual reproduction even bother with meiosis? What is the point of this complex and energetically expensive process?A diploid organism has five pairs of chromosomes in each somatic cell. Assuming that no crossing over occurs, how many genetically distinct gametes can this organism produce?How do organisms with haploid-dominant life cycles ensure continued genetic diversification in offspring without using a meiotic process to make gametes? Explain your reasoning. Write 3 paragraphs, 3-5 sentences each.
- Why is meiosis necessary for sexual recombinations?Why is it necessary for gametogenesis to reduce the chromosome number of the sex cells by one-half?In the process of Oogenesis in animal cells, will the genotype of the second polar body (derived from meiosis II) always be identical to that of the ootid? Why or why not?
- A sexually reproducing animal has two genes that assort independently, one for head shape (H) and one for tail length (T). Its genotype is HhTt. Which of the following genotypes is possible in a gamete from this organism?If nondisjunction of the sex chromosomes takes place in meiosis I in the male in Figure , what sexual phenotypes and proportions of offspring will be produced?Considering an organism with three pairs of homologous chromosomes, how many different kinds of gametes can this organism produce based on different chromosomal arrangements? Assume that the members of each pair are not identical?