32. Disorders in chromosome number, or aneuploidies, are typically lethal to the embryo. O True False

Q: Why Gametes have half of the total number of chromosomes?

A: Since we only answer 1 question in case of multiple question, we’ll answer the first question as the…

Q: 3. Identify the stage of meiosis for the following cells: а. b. с.

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Regarding oogenesis, diplotene stage begins at a.birth b.Meiosis II c.7th month of fetal…

A: Diplotene is defined as the stage of meiosis II during which the homologous chromosomes remain…

Q: 13 5 points Which of the following is false when considering XX differentiation? O RSPO1 and WNT4…

A: The term gonads can be associated with the male’s and female’s reproductive structures. Testis comes…

Q: 14. Label the phases of Meiosis and annotate any important events or features.

A: When the division of a single cell occurs to produce four new cells, it is called meiosis. The…

Q: 1) Explain or draw the process of Meiosis and include crossing over. Make sure you include what the…

A: As per bartleby guidelines please post other questions separately. Thank you.

Q: 26) Why is it important for gametes to be haploid? A) To increase genetic variation B) To regulate…

A: Gametes  They are the haploid reproductive entity of an organism. When two gametes fuze one from…

Q: 35. The differentiation of the primitive gonads into testes or ovaries depends on the presence or…

A: The Y chromosome have SRY gene which is referred to as the sex determination region. This is present…

Q: 5. Describe a fetal test that results in the karyotype shown above.

A: "Since you have asked multiple questions, we are eligible to answer only one question. Kindly repost…

Q: At the end of meiosis I:

A: Meiosis : In organisms, sexual reproduction occurs with the fusion of male and female gametes, the…

Q: 5. The somatic cells of Horse have 64 Chromosomes. What is the diploid number for a Horse What is…

A: A somatic cell is any cell of the body except sperm and egg cells.

Q: An abnormal fruit fly has two sets of autosomes and is XXY. Such a fly isa. a male.b. a female.c. a…

A: Sex determination is achieved by a balance of female determinants on the X chromosome and male…

Q: 13. The process by which sperm are made is called a) The process by which eggs are made is called b)…

A: It is the biological process by which new individual organism are produced from their parents.

Q: 12) During meiosis, crossing-over may occur. Crossing over usually results in A) Overproduction of…

A: Meiosis generates 4 haploid daughter cells, which are having chromosomes in half number from their…

Q: After meiosis, I, are the cells diploid or haploid?

A: Meiosis is a process where a single cell divides twice to produce four cells containing half the…

Q: Describe the four stages of meiosis I

A: Meiosis is a type of cell division. The cell is divided and produces some offspring cells. So there…

Q: 9. The sister chromatids begin to coil more tightly and become visible under a light microscope…

A: DISCLAIMER Since you have asked multiple questions, we will solve the first question for you. If you…

Q: 3 00 kl c. nondisjunction d. meiosis I O e. meiosis II enetically male 8-week-old fetus that…

A: In 1st diagram pairing of homologous chromosomes takes place. Chromosome number is 4 In 2nd…

Q: produced by: O fertilization meiosis O karyogamy O plasmogamy O mitosis

A: gametes are produced by sex organs and they are haploid containing half the number of chromosomes.

Q: Gametes 5. Determine the probability of having: (a) Affected children: Possible fertilizations (b)…

A: Sex-linked traits:  In the humans the sex chromosomes are, in females XX and in males XY. The…

Q: 2. List 3 important events that occur during meiosis and provide a justification why each should…

A: The indirect process of cell division in which the chromosome of parent cells divide once, but…

Q: 22. Identify the stage of meiosis. Why is this stage critical to human development?

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

Q: 1. Meiosis results in the formation of cells and cells. 2. Where are the cells that undergo mitosis…

A: According to Bartleby guidelines , we are supposed to answer first three subparts in case of…

Q: 16. Which of the following is not a type ot asexual reproduction?

A: Sexual Reproduction is defined whenever formation of next generation requires formation and fusion…

Q: 1. How many different chromosomal combinations (genetic variation via independent assortment) can…

A: Introduction :- Meiosis is a process in which the number of chromosomes in a cell is reduced before…

Q: 3. The following diagram provides an overview of the information covered thus far. Review the…

A:

Q: 5. Draw the condensed chromosomes through meiosis II. Also list the important events in each of the…

A: Meiosis : It is a type of cell division in which a parent cell is divided into four genetically…

Q: 6. Tight pairing of the homologous chromosomes. Meiosis II Meiosis I O Mitosis

A: Answer 6- Meiosis I Synapsis refers to the close pairing of homologous chromosomes. In synapsis, the…

Q: division? A. process results in variation of organisms   B. daughter cells has the same gamete…

A: Meiosis is a process in which a single cell divides twice to produce four cells with half the amount…

Q: 1. Suppose human sperm and eggs were produced by mitosis. How many chromosomes would each sperm or…

A: According to Bartleby expert guidelines, when multiple questions are posted we are allowed to answer…

Q: Down syndrome a. What is the genetic abnormality that occurs? b. What are some symptoms? C. Using…

A: Down syndrome is an autosomal trisomy where an affected individual may survive until adulthood.…

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: Males only have 1 X chromosome. This is called: a. Homozygous O b. Heterozygous O c. Hemizygous O d.

A: Chromosome is a compact structure of a DNA molecule wrapped around some proteins. It is generally…

Q: If nondisjunction of the sex chromosomes takes place in meiosis I in the male in Figure , what…

A: Meiosis is a type of cell division in which a diploid cell undergoes reductional division to form…

Q: The oogonium starts meiosis I but stops at ____________________.

A: Oogenesis is the differentiation of the ovum (egg cell) into a cell capable enough to further…

Q: Iis the process whereby from each parent fuse to produce a new cell A. Gametogenesis, fertilization…

A: Hi, since there are multiple questions posted, only the first question is answered. Please post…

Q: 42, The following is correct regarding embryonic development a, the egg is only viable for 3-4 days…

A: 42. The following is correct regarding embryonic development b. the egg is only viable for 12 to 24…

Q: 2. determine the gametes by fork-line method: a. TtGgRR b. TtggRr

A: The fork line method can be used by figuring the occurrence of each gene or set of genes to be found…

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: tion of meiosis II in a secondary oocyte? O a) A surge of Follicle-Stimulating Hormone (FSH)…

A: During oogenesis, the egg completes its development i.e undergoes meiosis I and II. In meiosis 1, a…

Q: 13b This must be a stage of Meiosis I because O there is a spindie present. the sister chromatids…

A: Meiosis is a special type of cell division in germ cells, where chromosome number parent cells is…

Q: 1. Identify the stage of meiosis for the following cells: a.

A: Since we only answer one question at a time, we will answer the first one.  Please resubmit the…

Q: 17- Klinefelter syndrome in humans, which leads to underdeveloped testes and sterility, is caused by…

A: Klinefelter syndrome is seen in boys and men. These individuals have one extra copy of the X…

Q: 27. Which of the following is not part of meiosis-1         A Prophase-1         B. pro…

A: Introduction Meiosis is a process in which a single cell divides twice to produce four cells with…

Q: -5 X Hormones and Male Sex Organ Development SRY Gene SRY gene on Y chromosome

A: SRY is located on Y chromosomes in males.

Q: Down's syndrome occurs when either the sperm or the ovum has too many chromosomes. This usually…

A: Abnormalities in the number of chromosomes are easily identifiable from the karyogram.  This…

Q: 16. The diagram below shows a phase in meiotic cell division. In which phase does this process…

A: INTRODUCTION  Meiosis In this division the chromosome number will reduce to half in daughter cell.…

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.