If nondisjunction occurs in humans for one pair of homologous chromosomes during Meiosis 1, what chromosome number would each gamete have? Explain your answer. (Remember, gametes are haploid)

Q: If the amount (mass) of DNA in a diploid cell during G1 phase prior to meiosis I is 8 pg…

A: Cell cycle: - it is a series of changes occur in a newly divided cell through which it duplicates…

Q: In meiosis, after telophase I, do other cells (comparing one another) have the same combination of…

A: Cell cycle consists of stages of cell growth and reproduction. In M phase of cell cycle, cell…

Q: Bob has XXY chromosomes (Klinefelter syndrome) and is color blind. His mother and father have normal…

A: Colorblindness is an X-linked recessive disorder. Klinefelter syndrome is the presence of two copies…

Q: 2 1. 2 2 1 1 1 2 2 1 1 2 2. 3. 2. 2.

A: Reciprocal translocation is a process of swapping segments of chromosomes between homologous…

Q: Given a diploid number of 2N=8 and two crossing-over events, trace the fate of these chromosomes…

A: Meiosis is the process of cell division used by germ cells to produce haploid cells so they can…

Q: The somatic cells of most individuals with Down syndrome contain an extra chromosome 21, for a total…

A: Chromosomes are composed of proteins and Deoxyribonucleic Acid (DNA). These structures are in the…

Q: If dog’s body cells have 78 chromosomes, how many chromosomes do their gametes have?

A: Gametes are the haploid cells (n) which are produced from diploid (2n) cells by the process of…

Q: The repeat expansion appears to occur during meiosis but not mitosis. Why mightthis be true?

A: Repeat expansions refer to the duplication of a single codon extensively. They are a type of dynamic…

Q: What would be the result from a nondisjunction of chromosome 21 in a zygote that is 46,XY? Explain…

A: In genetics, nondisjunction refers to chromosomes or sister chromatids that do not separate properly…

Q: Briefly explain why sister chromatids remain together in anaphase I but separate in anaphase II of…

A: Cell is the structural and functional unit of life. When a parent cell divides into two or more…

Q: Although triple-X human females typically have normal offspring, what kinds of gametes, with respect…

A: Introduction In humans, the X chromosome is one of two sex chromosomes, the other is the Y…

Q: A meiotic-nondisjunction causes trisomy 8 in a newborn.  If two of the three copies of chromosome 8…

A: When the homologous chromosomes fail to separate during the meiosis I stage, this will result in…

Q: How can alteration in chromosome number or structure impact living organism? Explain how Down's…

A: Meiosis also called as reductional division is the type of cell division where the number of…

Q: Which is NOT true of meiosis?

A: Meiosis is a kind of cell division which results in the production of four haploid daughter cells…

Q: A diploid fruitfy has 8 chromosomes. How many total chromosomes would be found in the following…

A: Chromosomes are thread like structures located in nucleus of cells. It is made up of protein and DNA…

Q: How does metaphase in meiosis I differ from metaphase in mitosis? In mitosis single chromosomes are…

A: Mitosis is equational division in which a diploid cell is divided into two equal diploid cells.…

Q: A normal diploid cell from a chimpanzee has 48 chromosomes. How many chromosomes will be in a…

A: Meiosis can be defined as the type of cell division in which a single parent cell divided to produce…

Q: If nondisjunction occurs in humans for one pair of sister chromatids during Meiosis 2, what…

A: In chromosome non-disjunction, the segregation of sister chromatids is prevented. It results in a…

Q: The crossing over process occurs during meiosis II, which is an exchange of chromosome segments…

A: Meiosis l is reductional division whereas meiosis ll is equational division.Meiosis leads to the…

Q: An organism has 34 chromosomes in a somatic cell.  How many chromosomes will be in each cell after…

A: There are two types of cell division: Mitosis Meiosis

Q: During oogenesis in an animal species with a haploid number of 6, one dyad undergoes nondisjunction…

A: Introduction oogenesis is the production or development of an ovum .Oogenesis is that the method of…

Q: Complete the following table for the number of chromosomes and chromatids per cell during the…

A:

Q: If human somatic cells have 46 chromosomes, how many chromosomes do human gametes have?

A: The size of chromosomes vary from species to species and genera to genera. Usually, within a…

Q: The period between meiosis I and meiosis II is called interphase II.Does DNA replication take place…

A: DNA replication is a complex process in which DNA makes an exact copy of itself. It takes place in…

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: if a species of animal has 18 chromosomes in its diploid cells (2n=18). Describe what the metaphase…

A: The number of chromosomes in the metaphase of mitosis would be 18 as 2n is 18. In meiosis 1 - 18…

Q: A mature female tiger, with 38 diploid chromosomes in each somatic cell, produces haploid oocytes…

A: Chromosomes are present inside the cell nucleus and made up of DNA (Deoxyribonucleic acid) molecules…

Q: A person is born with one X chromosome, zero Y chromosomes,trisomy 21, and two copies of the other…

A: A chromosome is a compact structure of a DNA molecule wrapped around some proteins. It is generally…

Q: Human somatic cells have 46 chromosomes. How many chromosomes are present in human cells undergoing…

A: Meiosis refers to the cell division that characterized by the reductional division of the cells. In…

Q: Chromosome I is metacentric, chromosome II is telocentric, chromosome III is a submetacentric, and…

A: Introduction : A single cell divides twice to produce four haploid daughter cells during meiosis.…

Q: Nondisjunction, is when a chromosome does not separate during meiosis. When nondisjunction occurs in…

A: Cell-division is the process by which a parent cell divides and makes two or more daughter cells. It…

Q: How would the mutation of a single chromosome in metaphase 1 of meiosis affect the process of…

A: Meiosis, also known as reductional division, refers to the division of a single cell into four…

Q: Nondisjunction produces daughter cells with an imbalance of chromosomes. A cell biologist examines…

A: When homologous chromosomes or sister chromatids fail to differentiate during meiosis, the result is…

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: Explain mechanisms by which two homologous chromosomes are tied with each other in metaphase I…

A: Anaphase I follows metaphase I in meiosis I where the homologs are pulled apart towards the opposite…

Q: A male Drosophila melanogaster has the genotype A/a; B/b; C/c; XD/Y (all genes are on separate…

A: The genotype of a species is its heritable, complete set of genes that are transferred from one…

Q: There are 56 chromosomes in a mature elephant cell. If one of the elephants cells responsible for…

A: Meiosis is a process of cell division in which a single cell divides into four daughter cells such…

Q: Meiosis is called a reduction division, but all the reduction occurs during meiosis I—no reduction…

A: Meiosis is a type of cell division that occurs in cells that produce gametes (sperm or egg) in…

Q: If a female is born with Turner syndrome, how might this have occurred? Draw out the potential…

A: Turner's syndrome is an autosomal dominant genetic disorder found in only females due to missing…

Q: The diploid chromosome number for a species is 30. What would be the total chromosome number of an…

A: Trisomy is a type of numerical chromosomal aberration. It is an example of Aneuploidy (abnormal…

Q: sperm cell from the fruit fly Drosophila melanogaster contains four chromosomes. How many…

A: Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half…

Q: Please explain what would be the consequences in successive generations of offspring if the…

A: The genetic content of eukaryotes is found in the nucleus. It is tightly packed and can be seen in…

Q: in the experiment of following chromosomal dna mvement througgh meiosis, why. do you use non-sister…

A: The cell division in which the number of the chromosome reduces to half in the daughter cells is…

Q: A dog has78 chromosomes . How many chromosomes will a cell have after it goes through mitosis? And…

A: All over the world we can see various types of organisms. All of them have originated from a single…

Q: Humans cells normally have 46 chromosomes (2n). Specify the number of chromosomes present at each of…

A: During meiosis, there are 23 pairs of (46) diploid chromosomes and after Anaphase I, the chromosomes…

Q: Let’s suppose a pea plant is heterozygous for three genes, Tt Yy Rr, and each gene is on a different…

A: A gene is a sequence of nucleotides in a genome that codes for a specific functioning molecule.…

Q: Consider three pairs of homologous chromosomes with centromere labeled A/a, B/B, C/c. How many kinds…

A: Meiosis is the process in which the germ cells for sexual mode of reproduction is formed. This…

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: If a human gamete with a missing chromosome participates in fertilization with a gamete with a…

A: The change in the number of chromosomes is associated with multiple disorder where monosomy (lack of…

Q: In Pop-Bead Meiosis, you start with 4 chromosomes: 1 big red, 1 little red, 1 big yellow, and 1…

A: Cell division is a type of splitting phenomenon in which parent cell splits and gives rise to new…

Embryology