When you see all those little colored "Xs" on a karyotype, each "X" is actually (Кеер in mi that we can only make a karyotype like this by catching cells during mitosis!) two sister chromosomes attached at the centromere a single unreplicated chromosome a homologous pair of chromosomes O the process of the DNA molecules being replicated

Q: Which of the following is a gene abnormality in which two nonhomologous parts rearrange and fuse…

A: Mutation can be defined as an alteration in the sequence of the nucleotide of the organism's genome.…

Q: In which state, the sex chromosomes are present in a cell? O Euchromatin Heterochromatin Centromere…

A: Chromosomes are the thread like structure present in the nucleus of the cell.

Q: 7. Which term best describes two chromosomes that have the same types of genes in the same…

A: Genes are the units of heredity that are transmitted through generations. Genes contain the genetic…

Q: Describe two differences among these chromosomes.

A: Chromosome mapping is the arrangement of the chromosomes. Genetic mapping provides a clue about the…

Q: number copies of this chromosome an individual has: females have two and males have one. The…

A: Mitosis and meiosis are two types of cell divisions. Mitosis usually occurs in all the normal cells…

Q: Which of the following enzymes is a reverse transcriptase which allows the protruding 3' end of the…

A: INTRODUCTION Telomere is a structure present at the ends of a chromosome. Telomeres are responsible…

Q: What type of chromosomal rearrangement occurs o Breakage of two homologous chromosomes or sister…

A: A chromosomal rearrangement is a type of chromosome abnormality involving a change in the structure…

Q: Gene duplications are commonly observed in genomes of higher eukaryotes including humans. Which of…

A: The sequence of DNA or specific nucleotide sequence which is repeated multiple times within a genome…

Q: Cell Membrane Metaphase B d Genotype Prophase I Nuclear Membrane DNA Synthesis O Equatorial Plate…

A: Solution:- Meiosis I segregates homologous chromosomes, which are joined as tetrads producing two…

Q: Which of the following is described as a structural rearrangement of a chromosome in which a broken…

A: Chromosomal rearrangements consist of different events- deletion, duplication, inversion, and…

Q: Which of the following facilitate chromosome separation during anaphase of mitosis? All of these…

A: Amaphase is the third stage of mitosis. In this stage the chromosome starts separating and moving…

Q: Please mathc the following So I can understand it    _   monosomy       trisomy…

A: 1. A duplicate chromosome is made up of -   Sister chromatid. 2) A maternal and paternal chromosome…

Q: What type of chromosomal rearrangement occurs when o Breakage of two nonhomologous chromosomes can…

A: Chromosomal aberration is defined as any abnormality in the structure of the chromosome. It may be…

Q: What is shown in the image above?   independent assortment   anaphase I of meiosis   crossing over…

A: Independent assortment is the law proposed by Mendel. It describes how differently each allele of a…

Q: CROSSING OVER Label... TETRAD HOMOLOGOUS U. UU UU CHROMOSOMES RECOMBINANT CHROMATIDS A A a a a A a…

A: Introduction :- Chromosomal crossover, also known as crossing over, is the exchange of genetic…

Q: What is the name of the structure that holds the sister chromatids together? See image below.

A: CENTROMERE - A highly condensed DNA sequence that is transcriptionally inactive and is…

Q: This is the ratio of observed double recombinants to the number of expected double recombinants.…

A: A chromosome is a long molecule of DNA with part or all of an organism's genetic material. Most…

Q: In the figure below A represents [ Select ] and B represents [ Select ] A and B are different genes…

A: The Chromosomes are thread like structure that are situated inside the nucleus of every animal and…

Q: Discuss the three levels of chromosome organization that allows for effective packaging of genetic…

A: Chromosomal DNA is packaged inside microscopic nuclei with the assistance of histones. The three…

Q: 9 Collectively, chromosomes 1-5 may be referred to as elect one: Karyotype of Drosophila…

A: Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each…

Q: This is a diagram of chromosome 17. What is the cytogenetic coordinates of a gene at the indicated…

A: Here, Cytogenetic coordinate of a gene means the position of a gene on a chromosome. A chromosome…

Q: In an XXYY human: two X chromosomes are inactivated in every cell one X chromosome is inactivated…

A: The correct statement for an XXYY human is:2. One X chromosome is inactivated in each somatic cell.

Q: Single base pair mutations at which of the following sites would severely disrupt the segregation of…

A: Option D

Q: Use the chromosome image, where the letters represent genes, to match the statements with their…

A: Crossing over is a process where the few segments of genes are exchanged between two homologous…

Q: In the following image, A and B are and chromosomes C D E F A Replication

A: Chromosomes are thread-like structures found within the nucleus of both animal and plant cells.…

Q: Please asap

A: The objective of the question is to understand the process of cell division, specifically meiosis,…

Q: You have discovered a new human gene, located on chromosome 5 which you name it ellenjenkins after…

A: A gene is a definite sequence of nucleotides present in DNA which is capable of undergoing…

Q: Which of the following is found in the chromosome centromere and regulates segregation? Cenp-A…

A: Introduction A centromere is a region of a chromosome that plays a critical role in cell division.…

Q: describe the folded fiber model of the mitotic chromosome   the folded fiber model is based on…

A: A cell's life cycle may be compared to the cell cycle. In terms, it refers to the sequence of growth…

Q: humans cell nuclues contain 46 chromosomes or blanks pairs

A: Human cells consist of multiple membrane-bound organelles. The human cell consists of different…

Q: Which process can cause duplications? misalignment of homologous chromosomes at repetitive sequences…

A: Duplication is the formation of more than one copy of the chromosome.i-e the gene is present more…

Q: Which histone is present in a chromatosome? H1 H2A O H3

A: Chromatin is a macromolecular structure in eukaryotic cells that is mostly made up of DNA and…

Q: A human protein, MC1R is responsible for telling human cells what type of pigment proteins to…

A: The human protein is produced due to the transcription and translation process of one gene. A gene…

Q: Chromosome initiated has following sequence    ab*cdefg *= centromere  draw the chromosome that…

A: Introduction :  Chromosomes are thread-like structures present in the nucleus. These are composed of…

Q: When looking at a stained cell under a high power light microscope, can one distinguish between the…

A: Introduction Chromosomes are threadlike structures made up of protein and a single molecule of DNA…

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.