half the chromosomes of a human primary oocyte segregate into the first polar body, which degenerates, why aren’t some of the different kinds of chromosomes of the diploid chromosome complement absent from the

half the chromosomes of a human primary oocyte segregate into the first polar body, which degenerates, why aren’t some of the different kinds of chromosomes of the diploid chromosome complement absent from the

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter8: How Cells Reproduce

Section: Chapter Questions

Problem 4CT

See similar textbooks

Related questions

Q: Chimpanzees, gorillas, and orangutans all have 48 chromosomes, whereas humans have 46. Human…

A: When a part of a chromosome breaks off and gets translocated to another chromosome, leading to…

Q: At what stage of mitosis can the kind and number of chromosomes be easily detected and determined?

A: As there are four questions given in one, the solution is provided only to the first question.…

Q: What is chromosomal theory of inheritance? List the ways in which genes and chromosomes behave…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: When do females form all their ova (eggs)? At stage of Meiosis I are they halted? Can the life style…

A: The oogenesis is the process by which ova (singular- ovum) are produced in the ovary of female body.…

Q: If a chimpanzee has a haploid (N) chromosome number of 24, how many chromosomes will be found in…

A: A chimpanzee has 24 pairs of chromosomes in diploid condition and haploid cells such as gametes…

Q: If the original parental cell had 12 pairs of homologous chromosomes, how many chromosomes would be…

A: Numerous physiological operations happen simultaneously in a biological cell. The sequential…

Q: Why are there no humans with monosomy 22? because chromosome 22 is very small, it is very stable and…

A: The correct option is shown below.

Q: In which meiotic division does the separation of the homologous occur? What are the ploidies of the…

A: Meiosis is a mode of cell division. In this one cell divides to form 4 cells.

Q: If zebrafish have a diploid number of 12, what is the chromosome number in the daughter cells of the…

A: Please follow step 2 for detailed explanation.

Q: Which of the following correctly describes the gametes that will form as a result of nondisjunction…

A: When the non-disjunction occurs in Anaphase II of meiosis II process then this indicates that one…

Q: Which sex chromosome (X or Y) carries the gene for eye color in Drosophila?

A: The mode of inheritance is a pattern of obtaining parentral alleles or genes to the offsprings. The…

Q: At the end of meiosis I, the daughter cells created are DIPLOID or HAPLOID?

A: At the end of meiosis, 23 separate genetic chromosomes are present in the resulting reproductive…

Q: Trisomy 21, or Down syndrome, occurs when there is a normal diploid chromosomal complement but one…

A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. DNA is formed of the…

Q: If a diploid a 40 pair of chromosomes, what is the chromosome number by the end telophase?

A: Introduction: Cell cycle is an ordered sequence of events occurring in a cell. Cell cycle results in…

Q: How many chromosomes are in a cell during Anaphase 2 of Meiosis?

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

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: If a muscle cell of a typical organism has 32 chromosomes, how many chromosomes will be in a gamete…

A: Muscle cells are also called as myocytes. These muscle cells are made up of muscle tissue. Muscle…

Q: What are the parts of cell involved during meiotic division? Specify the parts during prophase,…

A: Introduction :- A cell must first go through interphase before entering meiosis I. The cell grows…

Q: If a diploid cell entering meiosis has 12 chromosome pairs, what is the number of possible…

A: Meiosis is a process of cell division, where cell divides twice to produce four daughter cells which…

Q: Describe the events taking place during meiosis? What are the different phases? What is the…

A: Meiosis is a sort of cell division that occurs in sexually reproducing organisms' germ cells and is…

Q: Where are chromosomal fragments of non sister homologs exchanged and remain as part of the process…

A: Crossing over happens all the time in prophase I (Meiosis) before formation of tetrads area unit…

Q: how would the chromosomes content of the eye cell of a man compare with the chromosome content of…

A: Chromosomes are thread like structures that are the condensed form of DNA. They constitute the…

Q: If a gamete of an unknown animal species has 18 chromosomes, how many chromatids are at anaphase I?…

A: Introduction: Chromosomes are the condensed form of chromatin present in the nucleus of the cells.…

Q: Within the sperm and egg cells of a frog, there are 13 chromosomes. What would be the diploid #?

A: A frog gamete has 13 chromosomes.

Q: . When a cell of genotype A/a ; B/b ; C/c having all thegenes on separate chromosome pairs divides…

A: In the process of mitosis, the daughter cells that are produced will have the same genotype.

Q: Which sex chromosome (X or Y) carries the gene for eye color in Drosophila? Why?

A: Red eye colour is dominant over white eye colour in drosophila.

Q: If an organism has 15 pairs of homologous chromosomes, how many chromosomes will each daughter cell…

A: Mitosis: Some cells in the skin, embryo, gut divide constantly and there are few cells that divide…

Q: How is the interval between the two meiotic divisions different from interphase?

A: Mitosis and meiosis are the two ways that cells divide and reproduce.

Q: In meiosis, each centromere has a spindle fiber attached only to one side. In mitosis, each…

A: Meiosis: Reductional division 2n (diploid) => meiosis => n (haploid) Mitosis: Equational…

Q: What is crossing over?

A: Meiosis cell division is divided into two stages. Meiosis I or reductional cell division reduces the…

Q: At the end of Meiosis I, did homologous chromosomes separate or did chromatids separate? At the end…

Q: A chicken has 78 chromosomes in its somatic cells. How many chromosomes did the chicken inherit from…

A: Chromosomes are present in the cells as sets and the number of sets of these chromosomes contribute…

Q: Kuliev and Verlinsky (2004) state that there was a relatively high number of separation errors at…

A: Meiosis is a type of reductional division where the ploidy of the daughter cell is half to that of…

Q: hat is the 2n number for the dog? What is the n number for the dog?

A: 2n number of the dog=78

Q: What are chromosomal islands? Why are theyconsidered to be of foreign origin?

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: With two pairs of homologous chromosomes, four kinds of gametes can be produced. How many kinds of…

A: Gametes are formed by the process of meiosis in the gamete mother cells.

Q: At the end of S phase, each chromosome has replicated to produce two complete copies that are joined…

A: The number of chromatids on chromosomes doubles after replication, however the nuclei stay diploid…

Q: Why do you think that humans with trisomy chromosome 13, 18,or 21 can survive but other trisomies…

A: There are 23 pairs of chromosomes in which 22 pairs are the autosome and 1 pair is sex chromosome.…

Q: What is dosage compensation with respect to the sex chromosomes? Briefly explain how this is…

A: The method by which organisms adjust gene expression between individuals of different biological…

Q: What does the X/Y pair of chromosomes determine in humans?

A: Chromosomes are DNA-carrying structures located in the center (nucleus) of cells. The substance that…

Q: Why do some genes express themselves later in life? Why not earlier? How many chromosomes in a human…

A: Some genes are expressed later and not earlier:Gene expression is defined as the process by which…

Q: How does the density of genes found on chromosome 22 compare with the density of genes found on…

A: Humans have 23 pairs of chromosomes. Among them 22 pairs of chromosomes are autosomes and the…

Q: What would happen to the chromosome number in gametes and offspring if gametes were formed by the…

A: During sexual reproduction, gametes from parents fuse together and forms a fertilized cell called…

Q: Assuming all of the chromosomes present during Meiosis II are shown in the figure above, how many…

A: From the given figure, counting homologous pair as two chromosomes, the total number of chromosomes…

Q: Why are the homologous regions of the X and Y chromosome important during meiosis?

A: One of the defined types of cell divisions characterized by the occurrence of two rounds of division…

Q: A diploid organism has a total of 14 chromosomes and about20,000 genes per haploid genome.…

A: Genetic linkage refers to the close association of genes chromosome that are located close to each…

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: 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: The Oregon creeping vole, Microtus oregoni, has a very unusual meiosis?. In this rodent, males are…

A: In the creeping vole, Microtus oregoni, females are X0 and males are XY. In the female germ line,…

Concept explainers

Embryology

Question

If half the chromosomes of a human primary oocyte segregate into the first polar body, which degenerates, why aren’t some of the different kinds of chromosomes of the diploid chromosome complement absent from the egg

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.

Similar questions

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?
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?
Compare meiotic anaphase I with meiotic anaphase II. Which meiotic anaphase is most similar to the mitotic anaphase?
In kangaroos, the somatic cells are diploid, having 22 chromosomes. How many chromosomes are present in each cell at metaphase II of meiosis?
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?
During meiosis in male mammals, sex chromosomes segregate to produce two types of sperm: X‑bearing sperm and Y‑bearing sperm. True or false?
A sperm cell from the fruit fly Drosophila melanogaster contains four chromosomes. How many chromosomes would be present in a spermatogonial cell about to enter meiosis? How many chromatids would be present in a spermatogo- nial cell at metaphase I of meiosis? How many would be present at metaphase II?
Why are the homologous regions of the X and Y chromosome important during meiosis?
Dogs have 78 chromosomes in their diploid cells. If a diploid dog cell enters meiosis, how many chromosomes and chromatids will be present in each daughter cell at the end of meiosis I?
In oogenesis--> other than allowing for the elimination of one half of the diploid chromosomes, what is the purpose of the polar bodies? do they provide any resources?
During embryonic development, what event causes one of the twoX chromosomes to be remain active, whereas the other one becomesan inactive X chromosome?
Nondisjunction, is when a chromosome does not separate during meiosis. When nondisjunction occurs in human sex cells, what kind of outcomes can occur? Why?