17. Recall what you learmed about the fate of homologous chromosomes during meiosis I and the sister chromatids during meiosis II, and explain how trisomies like trisomy 21 or poly-X syndrome could occur.

17. Recall what you learmed about the fate of homologous chromosomes during meiosis I and the sister chromatids during meiosis II, and explain how trisomies like trisomy 21 or poly-X syndrome could occur.

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

See similar textbooks

Related questions

Q: None

A: Approach to solving the question: Mitosis and meiosis are both processes of cell division, but they…

Q: Bonuses: Assume that a cell from a particular species has a diploid number of 32 (n=16). How many…

A: Diploid cells have two sets of chromosomes, 2N whereas haploid cells have one set of chromosomes, N.…

Q: What is the function of chiasma?

A: When the non sister chromatids of homologous chromosomes contacts with each other at a physical…

Q: Down Syndrome (trisomy 21) is caused by an error in meiosis which results in the presence of three…

A: Meiosis and mitosis Meiosis is the reductional division in which the parental cells divide to form a…

Q: What happens during crossing over? Why is “recombination” an alternative term for what happens…

A: Recombination, sometimes referred to as crossing over is a crucial genetic process that takes place…

Q: 2. In the cells below, draw the two possible arrangements of Abdul's sex chromosomes and the…

A: The meiosis is the cell division process by which a diploid (2n) cell divides it's nucleus twice and…

Q: What are the three function of Meiosis cell division? What is the end result of meiosis cell…

A: Meiosis is a fundamental process of cell division that plays a crucial role in sexual reproduction…

Q: Use the following images to answer the next two ques 5 6 ............. ******* S : 3 Stage 8 in the…

A: There are two types of cell division: mitosis and meiosis. Cell division happens when a parent cell…

Q: Define Chiasmata and cohesins distal to them linkhomologous chromosomes in meiosis I metaphase.

A: Meiosis is a process where a single cell under cell division two times to produce four daughter…

Q: 3 00 kl c. nondisjunction d. meiosis I O e. meiosis II enetically male 8-week-old fetus that…

A: In 1st diagram pairing of homologous chromosomes takes place. Chromosome number is 4 In 2nd…

Q: An organism has alleles G1 and G2 on one pair of homologous chromosomes, and it has alleles S1 and…

A: During the time of cell division , parent cell undergo splitting and produce new cells . Cell…

Q: 1. A diploid species has 3 pairs of chromosomes in its somatic cells. In males, the first pair is…

A: DNA is present in the cell nucleus. In cell division, the DNA is condensed to form a unique…

Q: POSSIBLE PC What is independent assortment during meiosis 1? if two individuals mate, and each is…

A: Independent assortment: one gene is independently transmitted from the other genes into the next…

Q: Your father received 23 chromosomes from his mother and 23 chromosomes from his father. How many of…

A: As per the guidelines we are entitled to do one question at a time. So, I am providing a solution…

Q: Which of the following could be the cause of Klinefelter’sSyndrome (XXY)? A. failure of male sex…

A: Introduction Klinefelter syndrome is a genetic disorder in which a child is born with an extra X…

Q: 6. The incidence of Down syndrome will be very high(somewhat less than 50%) among the offspring of…

A: Chromosomal disorders occur when there is a change in chromosome number or chromosome structure.…

Q: 22. Identify the stage of meiosis. Why is this stage critical to human development?

A: The cell is the basic structural and functional unit of the body. The chromosomal theory of…

Q: What is independent assortment during meiosis 1? if two individuals mate, and each is capable of…

A: Independent assortment is a process that takes place during meiosis 1, where a gamete ends up with…

Q: 5. Consider a single diploid cell about to go through meiosis. It has 4 centromeres. a. How many…

A: Cell division known as meiosis takes place in sexually reproducing animals. It includes the…

Q: Homologous chromosomes migrate to opposite poles during: O Anaphase II of meiosis O none of the…

A: Introduction :- Chromosomes are formed during prophase I during the condensing of the DNA and…

Q: The letters below represent genes found on different chromosome pairs. Letters that are similar…

A: Genotype refers to the alleles or variants of an organism's gene in a particular locus of a…

Q: А. Prophase I, homologous chromosomes pair up and exchange fragments В. Metaphase I, homologue pairs…

A: Cell cycle: The cell cycle is an orderly sequence of processes that involves cell division and…

Q: Nondisjunction of one set of sister chromatids at mitosis anaphase produces daughter cells that are:…

A: The process by which two sets of chromosomes migrate in the same pole during segregation (gamete…

Q: compared to an organism that reproduces asexually. What process that occurs during meiosis is…

A: There are two types of cell division and they are mitosis and meiosis. Meiosis is also called the…

Q: During the process of meiosis, a rgoes two divisions to produce four etes. cell

A: When two chromatids of a duplicated chromosome are bound together at a region of DNA, then it is…

Q: 1.What happens during anaphase in mitosis, meiosis I, and meiosis II? What happens if the steps you…

A: Cell division is the process by which a parent cell divides into two or more daughter cells each…

Q: A diploid cell with three pairs of homologous chromosomes is shown on the left. Each letter…

A: A phase of cell division known as metaphase (mitosis or meiosis). Individual chromosomes are…

Q: Explain how nondisjunction in meiosis is responsible for chromosome abnormalities such as Down…

A: Meiosis is the phenomeon that is well known term and usually discreibe in which diploid cells divide…

Q: Draw a cell in anaphase I of meiosis with: a. 3 pairs of homologous chromosomes: #1a and #1b, #2a…

A: Meiosis is a type of cell division that produces four gamete cells by halving the number of…

Q: 19 21 22 1> This individual's sex is female [ Choose] trisomy 21 karyogram 2n 2 The genetic disorder…

A: A karyotype is a pictorial representation of chromosomes present in the somatic cell of an…

Q: Why are organisms that have only a single set of chromosomes (haploid) often more favorable for…

A: NOTE-"As per our honor code, we are authorized to answer only one question at a moment. As you have…

Q: Meiosis DrawingIn this assignment you will track and draw the chromosomes of a diploid organism…

Q: A 25-year-old soldier suffers a gunshot wound on the lower part of his back and is unable to move…

A: Almost every element of our health and wellness is influenced by the neurological system. It directs…

Q: .Each individual chromosome is composed of _______

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: Which of the following is true? O Meiosis and Mitosis both involve crossing over Meiosis and Mitosis…

A: Meiosis and mitosis are the two types of cell division wherein a cell divides to produce daughter…

Q: List three ways in which mitosis differs from meiosis. Be specific MITOSIS MEIOSIS 1. 2. 3. 2.…

A: Cell division The process by which cell proliferate and make new cells.

Q: 2n=46 2. 3. MeioticStage: MeioticStage: Diploid no: Haploid no: Diploid no: Haploid no:

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

Q: View Available Hint(s) two copies of chromosome A, two copies of chromosome B two copies of…

A: The cells that go through meiosis II are the same ones that went through meiosis I. These cells are…

Q: 1. What is meiosis? 2. What specific cells in the body divide through this process? 3. Meiosis…

A: Answer 1: Meiosis is process in which one cell divides into two cells that make up half of the…

Q: Crossing over usually contributes to genetic variation by exchanging chromosomal segments between…

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

Q: How many different* gamete genotypes will be produced by individuals of the following genotypes if…

A: Meiosis is the cell division that occurs in reproductive cells such as sperm cells or eggs where the…

Question

17. Recall what you learned about the fate of homologous chromosomes during meiosis I and
the sister chromatids during meiosis II, and explain how trisomies like trisomy 21 or poly-X
syndrome could occur.

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

. With regards to the grasshopper testes experiment, diakinesis is an ideal stage to determine chromosome number due to the degree of condensation of the chromosomes? Count the chromosomes at this stage. Does it represent a diploid or a haploid number?
36 The diagram below represents a cell containing a pair of chromosomes at metaphase I of meiosis. The individual is a heterozygote for two tightly linked genes, gene A and gene B. a b A B If a crossing over event occurred between alleles A and B in the cell shown above, what are the genotypes of the two possible recombinant gametes? Select one alternative: O aA bB O AB аB Ab O AB ab
Think about the alignment of tetrads on the metaphase plate during meiosis I. What is meant by the statement that full siblings “ON AVERAGE” share 50% of their DNA? Could two siblings from the same parents share more or less than 50% of their DNA? How?
7. Definitions and short answer Refer to the textbook, lecture slides, and the lab introduction to answer the following questions: A. What is meant by the term Haploid? Diploid? B. What is the difference between a gene and an allele? C. If the blue eye allele is recessive, can a blue-eyed person be homozygous? Explain.
8. Down Syndrome most commonly results from having three copies (trisomy) of chromosome 21 instead of two. Below is a fertilization event that could have given rise to Down Syndrome. Identify samete is abnormal and explain how the abnormal gamete could have been produced from a hondisjunction event in meiosis I and from a nondisjunction event in meiosis i.
Q1. Draw and label two cells at anaphase of mitosis and anaphase I of meiosis in a species having 2n - 4 chromosomes (one homologous pair of metacentric chromosomes and a pair of acrocentric chromosomes).
explain at least 3 difference between mitosis and meiosis, Explain the processes of how meiosis guarantees genetic variation in the gametes and when do these processes happen in meiosis?
1a. What is chromosomal formation called? 2b. When specifically was it formed? 3c. Would it be found in a haploid or diploid cell?
36
2.4
94. Mitotic division is to zygote while meiotic division is to gametes (T or F)? True O False
The mosquito, Aedes aegypti, has 3 bivalents (homologous pairs) formed at Meiosis I. How many chromosomes and chromatin strands are present in each of the following stages: