P generation Male Female XY XX Meiosis Gametes X Y Fertilization F, generation X Sperm Y XX XY Female Male Eggs XX XY Female Male Conclusion: 1:1 sex ratio is produced.

Q: What is the outcome of meiosis I?

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

Q: What are the two divisions of meiosis? What are the main events that occur in those divisions?

A: Cell division is the biological process that results in the formation of two identical daughter…

Q: Describe how reciprocal translocations align during meiosis and how they segregate.

A: RECIPROCAL TRANSLOCATION:-  When the two non-homologous chromosomes exchange information/material…

Q: that a gamete underwent meiotic non-disjunction. Explain two possible outcomes for the zygote that…

A: In normal anaphase that occurs during the cell division, sister chromatids are pulled by…

Q: discuss the Typical meiosis in a triploid organism

A: Meiosis is a type of process of cell division that takes place in a diploid organism that results in…

Q: explain the Nondisjunction during first meiotic division

A: The process in which the diploid cell produces haploid gametes is called meiosis. The chromosomes…

Q: In which period of meiosis does the pairing of homologous chromosomes occur?

A: Meiosis is a type of cell division to produce male and female gametes, sperm and ovum. It is…

Q: During oogenesis, nondisjunction of X chromosome occurred in meiosis I. If the resulting egg unites…

A: Non disjunction is the failure of chromosomes / chromatids to separate during Anaphase. In Meiosis…

Q: Diagram how nondisjunction in meiosis I or II can resultin extra or missing chromosomes in…

A: Nondisjunction is failure of the sister chromatids or homologous chromosomes to segregate properly…

Q: If the 2n chromosome number of an organism is 12: (a) what is the probability of having a spermatid…

A: Probability is equal to number of outcomes divided by total possible outcomes. Diploid number of…

Q: What is the definition of meiosis? What are the phases of meiosis? What are the general features of…

A: Meiosis is the cell division where a parent cell divides to give rise to two daughter cells that…

Q: Concerning the sexchromosomes of the XYsystem which type of gametedo the male and the…

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

Q: What is crossing over? In which period of meiosis does this event occur?

A: Introduction - Crossing over is a biological event in which chromosomes of the same kind line up…

Q: What does the sex chromosome genotype XXX produce in humans?

A: Human beings have two types of chromosomes found in their body, they are, autosomes and allosomes.…

Q: Which is the type ofgamete produced by aheterozygous individual?What is the genotypicalproportion of…

A: Alleles are the two-contrasting form of genes. They are pairs of genes on a chromosome that…

Q: In a human secondary spermatocyte, if the chromatids of one chromosome failed to separate during the…

A: The failure of separation of sister chromatids during cell division is termed nondisjunction. In a…

Q: A male baby is born with the sex-chromosomeconstitution XYY. Both parents have normal sex…

A: The failure of separation of sister chromatids during cell division is termed nondisjunction. In the…

Q: Given that each secondary spermatocyte has 23 chromosomes, how is it possible that at the end of…

A: Spermatogenesis is a process to produce sperms in seminiferous tubules. Meiosis division takes place…

Q: Name and explain the two events during meiosis that contribute to genetic variability among gametes.

A: Meiosis is the cell division process that involves division of a diploid (2n) mother cell into to…

Q: Name all the phases of meiosis in the proper order?

A: Meiosis  It is a kind of cell division where four haploid cells are formed from single diploid cell.

Q: Although triple-X human females typically have normal offspring, what kinds of gametes, with respect…

A: Introduction In humans, the X chromosome is one of two sex chromosomes, the other is the Y…

Q: Several cells like the one represented below undergo a normal meiosis I and meiosis II, so that each…

A: Sister chromatids differentiate during meiosis II, while homologous chromosomes separate during…

Q: Represent the segregation of chromosomes during Meiosis 1 and Meiosis 2 in both male and female.

A: Meiosis is a type of cell division in which chromosome numbers are reduced to half, that is from 46…

Q: Determine if the cells in telophase I of meiosis are haploid or diploid.

A: Telophase I is a phase observed in the process called meiosis. Meiosis or reductional division is…

Q: What is the result of meiosis 2?

A: Reproduction is the process that ensures the continuity of species on earth. It is the main feature…

Q: Describe the differences in the activity of the homologouschromosomes in prophase and metaphase of…

A: The cell is the basic structural and functional unit of the body. It is responsible for various…

Q: What would be the genetic consequences for the gametes and offspring if crossing over occurred…

A: Sexual reproduction ensures diversity in nature. This diversity is mainly achieved due to the…

Q: Discuss meiosis I and meiosis II

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

Q: Explain how the random alignment of homologous chromosomes during metaphase I contributes to the…

A: During metaphase I, the chromosomes align at the center of the cell. This phase ensures that the two…

Q: What is crossing over, and during what phase of meiosis does itoccur?

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

Q: Which phase is the shortest and the longest in "meiosis"?

A: Meiosis is a kind of cell division that takes place in sexually reproducing organisms which results…

Q: Describe the events of meiosis I and meiosis II. How arethe cells produced by meiosis I different…

A: Meiosis: It is a process in which a single cell divides itself twice to form four cells. These cells…

Q: What separate during meiosis I? What separate during meiosis II?

A: Goals in meiosis using a two step division process.

Q: Describe two mechanisms that occur during meiosis thatproduce genetic variation among gametes.

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

Q: What does the sex chromosome genotype OY produce in humans?

A: Chromosomes are the unit of inheritance that carry genetic information from one generation to…

Q: Name 2 sources of variation produced during meiosis.

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

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.