If nondisjunction takes place in a spermatocyte in the second meiotic division and the sperm fertilizes a normal egg, the resulting infant may have three copies of each chromosome three copies of chromosome 13,18 or 21 three copies of chromosome 13,18, 21 or a normal number of chromosomes a normal number of chromosomes one copy of each chromosome

Q: Sex determination of child is done by whose chromosome?

A: Chromosomes are the thread like structures which are located in the nucleus. There are 23 pairs of…

Q: True or false Meiosis produces cells that have a diploid number or chromosomes?

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

Q: Contrast the events of meiosis I and meiosis II with the events of mitosis.

A: Meiosis can be defined as the process where the single cell divides twice to produce the four cells…

Q: Which of the following chromosomal profile is a normal human female embryc 44 chromosomes + xy 44…

A: The term "karyotype" refers to the chromosome complement of a cell. It represents the full set of…

Q: During which stage of Meiosis does crossing-over occur? O Prophase II O Metaphasel O Anaphase I| O…

A:

Q: Please demonstrate the genotype, DNA synthesis, and Prophase 1 of the diploid organism going through…

A: Meiosis is a sort of cell division that results in four daughter cells each with half the number of…

Q: During what phase of meiosis do homologous chromosomes separate? O anaphase I O metaphase I…

A: Meosis has following stages :  Prophase I  Metaphase I  Anaphase I  Telophase I  Prophase II…

Q: Segregation in meiosis I produces chromosomes lacking Telomeres Centromeres Short arm All of the…

A: Ans is. All of above..

Q: At the end of normal meiosis, the daughter cells are: aneuploid diploid O haploid tetraploid

A: Meiosis: Occurs in sexually reproducing eukaryotes. In meiocytes only. Reductional division.

Q: A female is heterozygous for an X-linked gene.  If nondisjunction happens for the sex chromosomes…

A: Introduction :  Aneuploidy is the term used to describe a cell that has an abnormally high/low…

Q: Having familiarized with the stages of meiosis and the terminologies used to describe this process,…

A: When the nucleus divides during cell division , the two chromatids that make up each chromosome…

Q: II. This type of cell division occurs during the formation of both sperm and ovum. The first meiotic…

A: Answer is option d.) one secondary oocyte and one polar body.

Q: escribe the process of meiosis (meiosis I and meiosis 2) and Explain the differences between…

A: A parent cell is divided into two or more daughter cells in the process of cell division. In…

Q: Crossing over (mark all that apply): O produces new assortments of maternal and paternal chromosomes…

A: Introduction:- Crossing over is the exchange of portions ( genetic segments) of non sister…

Q: In meiosis, independent assortment is the process of physical exchange of DNA between homologous…

A: law of independent assortment proposed by father of genetics, Gregor Johan Mendel. This law states…

Q: Does this diagram represent normal Meiosis? Why or why not? XX X) X 0000

A: Cell division happens when a parent cell divides into two or more cells called daughter cells. Cell…

Q: chromosomes? the random combinations of eggs and sperm during fertilization the diverse combination…

A: These cells grow, divide and undergo reproduction in order to produce new cells. Cell division is a…

Q: Nondisjunction in leads to the formation of gametes that are all aneuploid. O meiosis I meiosis II…

A: Mitosis : In the Anaphase of mitosis, sister chromatids separate and migrate to opposite cell poles…

Q: Discuss the human life cycle and the purpose of meiosis. (please keep it short) 4 - 5 senttence

A: Life cycle of human: Human beings are made up of a billions of cells. Such large number of cells…

Q: Discuss meiosis I and meiosis II

A: Meiosis Meiotic cell division occurs in germ cells of all living organisms. During meiosis, the…

Q: Match the phases of meiosis with their descriptions.   Question 6 options:   chromatids of…

A: Meiosis  It is a kind of cell division in which four daughter cells are form and each cell has half…

Q: Identify the phase of Meiosis Telophase II Anaphase I Metaphase II Prophase I

A: Meiosis is a form of cell division in which the number of chromosomes is reduced to half. Their is…

Q: Meiosis involves two sequential cell divisions with DNA replication between divisions. True False

A: Cell division is the process of the formation of two daughter cells. It is the basis of growth and…

Q: The purpose of meiosis is for growth and repair  True  False

A: Meiosis is the type of cell division where a cell divides into four cells. Another type of cell…

Q: Explain how the X and Y chromosomes are able to pair together in meiosis as homologous chromosomes.…

A: Meiosis is the phenomenon that occurs in any life cycle that involves the process of sexual…

Q: During which phase of meiosis does variation occur? a anaphase I b cytokinesis c…

A: Sexual reproduction gives rise to an unlimited number of genetic variations. In other words, sexual…

Q: Regarding meiosis: select all correct statements: Homologous chromosomes are segregated from one…

A: Meiosis is a cell division process in which a single cell splits twice to produce four cells, each…

Q: Explain the purpose and result of meiosis AND describe the necessity of the reduction of the…

A: Meiosis is where a solitary cell divides twice to deliver four cells containing half of the first…

Q: A primary spermatocyte has the genotype AaBbee. The A and B loci are linked in cis configuration on…

A: Meiosis is also known as double division that occurs in a diploid cell and gives rise to four…

Q: What chromosomes belong to a normal human female?     44 autosomes and 2 X chromosomes     22…

A: In humans, the ploidy of chromosomes is typically referred to as diploid. Diploid refers to having…

Q: Which event during meiosis does NOT lead to genetic diversity in the gamete cells?

A: Sister chromatid replication is the process where the chromosome doubles it chromosomal content…

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: Oogenesis results in 1 gamete per meiotic division. TRUE OR FALSE

A: Oogenesis is the process of formation of female gamete. This process begins inside the fetus before…

Q: An XXX individual may be result of an abnormal complement of chromosomes in the egg or sperm. At…

A: Introduction  Any cell contains the specific number of chromosomes and it is referred to as ploidy…

Q: An individual with XY chromosomes produces gametes where 50% have an extra sex chromosome and 50%…

A: Please follow step 2 for detailed explanation.