Suppose crossover occurs between the homologous chromosomes in the previous problem. At what stage of M phase do alleles D and d segregate?
Q: For a hexaploid what is the value of x where x refers to the basic chromosomenumber that makes up a…
A: Ploidy refers to the number of chromosomes present in the nucleus of a cell. In normal somatic…
Q: True or False On Average, half of the gametes produced by one or more crossovers between non-sister…
A: Recombination is the process by which meiosis produces gametes with different allelic combinations…
Q: For the following chromosome complements, what is the phenotypic sex of a person who has Q. XO with…
A: The male sex-determining gene in human is termed as the sex determining region Y (SRY) gene.…
Q: An organism has two chromosomes only. Chromosome 1 has its centromere near one end and carries the…
A: Metaphase of Meiosis IHomologous chromosomes are paired up and aligned along the equator of the…
Q: most tests of genetic linkage, the number of double crossovers is less than the number expected due…
A: Cross over events occurs during meiosis which which increases variation among the games and when…
Q: Explain why genes located on the same chromosome are said to be linked. Why do alleles of linked…
A: A gene is a unit of hereditary arranged in thousands on the strands of DNA(deoxyribonucleic acid)…
Q: why why heterozygosity for a deletion can be harmful?
A: Deletion refers to a type of mutation in which the genetic material in a chromosome is deleted or…
Q: Draw the structure of the acentromeric chromosome using a line and letters to designate loci in…
A: Inversion is one type of chromosome aberration where the chromosome segment is excised and…
Q: The incidence of Down syndrome will be high (nearly 50%) among the offspring of a parent with Down…
A: Down Syndrome is a chromosomal disorder where trisomic conditions occurs in 21th chromosom. The…
Q: Why does more crossing over occur between two distantly linkedgenes than between two genes that are…
A: Answer- Crossing over is the mechanism in which a part of the sister chromatids of the homologous…
Q: Suppose a design problem was coded with 5 genes on a single chromosome, and single-point crossover…
A: During cell division, the genetic material of the cells stored in the chromosomes aligns together.…
Q: Please show the process of meiosis through Prophase 2
A: 1. Meiosis I: - Prophase I: Homologous chromosomes pair up, and cross-over occurs between…
Q: Explain why inversions and reciprocal translocations do not usually cause a phenotypic effect. In a…
A: in this, no addition or removal of genetic material is done there is a relative change in the…
Q: In which parent and during which meiotic division did non-disjunction occur? If there is more than…
A:
Q: "The random segregation into daughter nuclei that happens during the first division in meiosis can…
A: Introduction : Genetic traits are passed down through inheritance from parents to their offspring.…
Q: For a certain chromosomal region, the mean number ofcrossovers at meiosis is calculated to be two…
A: For a certain chromosomal region, the mean number ofcrossovers at meiosis is calculated to be two…
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: In which meiotic division does independent assortment of unlinked genes occur? What does…
A: Cell division is a process by which a cell divides and it is necessary for the growth and…
Q: An initial crossover event will occur between A and B, as indicated in the corresponding image.…
A: Exchange of genetic material or chromosomal segments between non-sister chromatids happens during…
Q: Certain plants may have more than two copies of a chromosome. In some wild strawberries octoploid…
A: ExplasnatonPloidy is defined as the number of complete set of chromosomes. For example, an organism…
Q: Does mitotic recombination occur in a gamete (sperm or egg cell) or in a somatic cell?
A: Cell division is typically a part of a broader cycle of cells. There are two distinct forms of cell…
Q: Which of Mendels laws have their basis in separation of homologues in anaphase I?
A: Homolog is a pair of homologous chromosomes in a eukaryotic cells. Homologous chromosomes pair with…
Q: Why are people with balanced chromosomal translocations phenotypically normal? Do they suffer from…
A: Chromosomal translocations are genomic events in which either a part or the entire chromosome breaks…
Q: . In a diploid organism of 2n = 10, assume that you canlabel all the centromeres derived from its…
A: The formula that is used for the solution of this problem is 2n. Here, n stands for the different…
Q: Two nonhomologous chromosomes have the following segments, where * represents the centromere:…
A: Two nonhomologous chromosomes have the following segments, where * represents the…
Q: Diagram A represents a chromosomal inversion event. A, B, C, D, E, F, are chromosomal loci.…
A: An inversion is a type of chromosome transposition in which a chromosome segment is inverted…
Q: Suppose you have a line of mice that has cytologicallydistinct forms of chromosome 4. The tip of the…
A: When we cross a 4K/4S female with a male, the progeny obtained are 4K/4 or 4S/4 as expected. We also…
Q: With 46 chromosomes in a human diploid cell, how many chromosomes come from the person’s mother and…
A: A haploid cell has one complete set of chromosomes.
Q: Give typing answer with explanation and conclusion Consider a pair of homologous chromosomes…
A: The process of genetic recombination that results in offspring carrying a unique combination of…
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: Why are the X and Y chromosomes not considered homologous even though they recombine at the PAR…
A: Sex chromosomes are a type of chromosome that participates in sex determination. Humans and most…
Q: What is inversion heterozygote?
A: Inversion is a chromosomal rearrangement when a segment of chromosome breaks and then rejoins in…
Step by step
Solved in 3 steps
