Synapsis is the process wherebya. homologous pairs of chromosomes separate and migrate toward a pole.b. homologous chromosomes exchange chromosomal material.c. homologous chromosomes become closely associated along their lengths.d. the daughter cells contain half the number of chromosomes as the parent cell.

Q: Paired homologous chromosomes (the tetrad) separate from one another and move towards opposite poles…

A: Cell division is the process of dividing the existing cells to form new cells. One parental cell…

Q: The chromosomes are aligned at the spindle equator during   a. telophase.   b. interphase.   c.…

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

Q: The complex of proteins that holds two chromatids together is called the... Group of answer choices…

A: Cell division is the process of division of cell into daughter cell. The cell division can take…

Q: Which of the following statements accurately describes a differencebetween mitosis and meiosis?a.…

A: Answer is e.) Both a and c are correct.

Q: Crossing-over occurs betweena. sister chromatids of the same chromosome.b. chromatids of…

A: Answer is c.) non sister chromatids of a homologous pair.

Q: Dolphins have 44 chromosomes. How many chromatids are there in the following cells  and/

A: Introduction: The series of activities that a cell goes through as it develops and splits into two…

Q: Which of the following statements are true? a. after contromeres divide, chromatids are known as…

A: All the statements are true, therefore the correct option is d.Centromere is the region of a…

Q: the metaphase plate during metaphase I of meiosis, there are   Select one: A.  Unpaired…

A: Meiosis is a reduction division. it involves two divisions first division is the reduction division…

Q: Homologous chromosomes come together and line up along their entire lengths A. in meiosis in…

A: Meiosis is a unique form of germ cell division in sexually reproducing animals that results in the…

Q: At metaphase I the kinetochores of sister chromatids are a. attached to microtubules from the same…

A: In eukaryotes, cell division is of two types:- meiosis and mitosis. Meiosis is responsible for the…

Q: Which of the following occurs in meiosis I?a. All chromosomes duplicate.b. Homologous chromosomes…

A: Introduction  All cells with some exceptions undergo cell division in order to multiply. During cell…

Q: Diploid cells have a. two chromosomes.b. two sets of chromosomesc. one set of chromosomes.d. two…

A: During the fertilization process, the male and female species participate in the fusion process and…

Q: Comparing somatic cells and gametes, somatic cells area. diploid with one set of chromosomes.b.…

A: Answer is c.) diploid with two sets of chromosomes.

Q: Crossing over occursA. in late interphase.B. in early to mid prophase.C. in mid to late prophase.D.…

A: A homologous pair of chromosomes are approximately the same length and centromere position. They…

Q: The kinetochore is a structure that functions toa. connect the centromere to microtubules.b. connect…

A: Chromosomes are filamentous bodies present in the nucleus. They are composed of DNA(…

Q: Crossing over is the process wherebya. homologous chromosomes cross over to opposite sides of the…

A: Answer: Introduction: Crossing over means which occurs among the homologous chromosomes to rise…

Q: Pairs of chromosomes with almost identical geneticcomposition and that are found in cells of both…

A: Chromosomes are the vital part of heredity , that include a thin thread like structure. Chromosome…

Q: During crossing over,a. chromatids of homologous chromosomes exchange parts.b. mutations occur with…

A: Answer- Cells undergo two different types of cell division called as mitosis and meiosis.

Q: Which of the following is not true regarding cytokinesis?*       A.Simultaneously happen with the…

A:

Q: At the metaphase plate during metaphase II of meiosis, there are Select one: O A. Bivalents. O B.…

A: Meiosis is a type of cell division wherein the chromosome number is halved in each of the daughter…

Q: The role of cohesin is toa. make chromosomes more compact.b. allow for the replication of…

A: Condensin and cohesin are two most important multiprotein complexes that help the chromosomes to…

Q: Which of the following happen during anaphase?   a. the nucleoli disappear    b. each…

A: Anaphase is the stage of mitosis which occurs after metaphase. The replicated chromosomes are split…

Q: At the metaphase plate during metaphase II of meiosis, there area. chromosomes consisting of one…

A: Answer is option b.) unpaired duplicated chromosomes.

Q: Which of the following is the term used to describe asexualreproduction in a single-celled…

A: Introduction Reproduction is the characteristic of all biological species present on the Earth. All…

Q: Phase S Phase G2 Phase M Phase G0 Phase   Synapsis occurs during ............. of meiosis…

A: Answer. During the G0 phase of the cell cycle the cells are not ready to repicate but instead…

Q: During meiosis...   A. Only sister chromatids come together before segregating to different…

A: Meiosis is a type of reduction division in which the chromosome number is reduced to half and the…

Q: Which of the following is a FALSE statement regarding human chromosomes?   A. The chromosome…

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

Q: Please describe the important events that occur at each stage: 1. Interphase a. G1 b. S c. G2 2.…

A: cells divide in our body , for some organisms cell division is the process of reproduction like…

Q: Identify the structure the letter is indicating? 88 d Centromere Choose... + Homologous Chromosomes…

A: Chromosome is a condensed form of chromatin. It carries genetic material in the form of DNA. The DNA…

Q: the kinetochore of a metaphase chromosome is a. The ends of the chromosome that are duplicated by…

A: Kinetochore of a metaphase chromosome :-

Q: 25. Crossing over involves each of the following with the EXCEPTION of O A. Transfer of DNA segments…

A: Crossing over is defined as the exchange of genetic material between two homologous chromosomes. It…

Q: During meiosis Ia. homologous chromosomes synapse.b. crossing over between homologous chromosomes…

A: Meiosis is the special type of cell division of germ cells in sexually reproducing organisms and…

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.