.Each individual chromosome is composed of _______

Q: 5. This is a pair of homologous chromosomes. The individual is homozygous for gene A and…

A: This is a question about meiosis.

Q: 2. In the cells below, draw the two possible arrangements of Abdul's sex chromosomes and the…

A: The meiosis is the cell division process by which a diploid (2n) cell divides it's nucleus twice and…

Q: 12. The unlettered circle at the top of the accompanying figure shows a diploid nucleus with four…

A: Mitosis and meiosis are the two kinds of cell division. When people say "cell division," they…

Q: True

A: DNA is genetic material in all the living organisms.

Q: I'm having some trouble with this practice problem from my study guide. If anyone can explain it it…

A: Nondisjunction occurs when homologous chromosomes (meiosis I) or sister chromatids (meiosis II) fail…

Q: In humans, the number of chromosomes per set is 23. Even thoughthe following conditions are lethal,…

A: the total number of chromosomes for an individual with each condition are;

Q: Diploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial) e.g. 47, XY,…

A: Human cell contains 23 pairs of chromosomes.  22 autosomes and 1 pair of sex chromosomes. Human male…

Q: 4. In humans, the gene for color blindness is on the X-chromosome. Color blindness is recessive (X)…

A: Colorblindness is a disease where the person looses his/her ability to distinguish between certain…

Q: In humans, the number of chromosomes per set equals 23. Eventhough the following conditions are…

A: Aneuploidy is a term given to the condition in which there is an extra or a missing chromosome and…

Q: 3. RR and Rr carrots are orange, and rr carrots are white. But in an Rr carrot, a rare mitotic…

A: rr is the gene responsible for the white phenotype. first, the cells go in the g0 phase after that…

Q: 1. Assume that you are married and by chance upon submission for an amniocentesis prenatal checkup…

A: A chromosome is a well-organized DNA molecule located in the cell nucleus. The number of chromosomes…

Q: Imagine an organism whose diploid chromosome number is 6, and draw a cell as it appears at the…

A: Meiosis is a reductional cell division that occurs in the sex cells or gametes. It is divided into…

Q: 18. A disease that is sex-linked means the gene for it is located on the X or Y chromosme, rather…

A: Some characters in the body is controlled by the genes and are inherited through the gametes into…

Q: 3) For each cell below, identify the meiosis phase (meiosis I or II) and stage of meiosis it is in…

A: Cells are the smallest functional and structural unit of all organisms. All cells have a cell…

Q: The drawings below represent four possible cells produce by meiosis in a cell pf the genotype AaBb.…

A: Meiosis is a type of reductional division which results in the formation of four haploid cells from…

Q: Represent the segregation of chromosomes during Meiosis 1 and Meiosis 2 2A. normal segregation in…

A: During Meiosis I, homologous chromosomes segregate; during Meiosis II, sister chromatids segregate.…

Q: 3 4 8 10 11 12 13 14 15 16 17 18 19 20 21 22 X Y The chromosomes in this picture are for a person…

A: Chromosomes are thread like structures present in the nucleus of a cell. It is a long DNA molecule…

Q: 11. A picture of chromosomes paired up from largest to smallest that can give a couple clues about…

A: Answer 11 is Option A is correct; Karyotype. Karyotype is the pictorial representation of…

Q: In pea plants, there are two possible alleles for pea pod color.  Y (yellow) is the dominant allele,…

A: Hi! As you have posted multiple questions and have not mentioned which are to be answered, we are…

Q: BJE the diploid human chromosome number (2n) =46, what will be the chromosome number per cell in…

A: Introduction:   Cell cycle is an ordered sequence of events occurring in a cell. Cell cycle results…

Q: The gene associated with the recessive disorder nemophilia is on the X chromosome, where n is the…

A: Option B

Q: 2. There are two pairs of chromosomes in a diploid cell (2n=4). Label the genes and alleles on…

A: Meiosis is a type of cell division. This is a reduction division, where the diploid number of…

Q: Diploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial) e.g. 47, XY,…

A: Klinefelter’s syndrome and one Barr body Klinefelter’s syndrome is due to the trisomy of sex…

Q: Barr Bodies, Sex Chromosomes and Diploid Number Number of Barr Bodies Phenotypic Sex of Individual…

A: BARR BODY It is an inactivated, condensed X chromosome found in female cells. Barr bodies are…

Q: If the amount of DNA in a diploid cell during G1 phase prior to meiosis I is 8 pg, how much DNA…

A: The G phase is a period of the cell cycle in which the cell grows and prepares for DNA replication.…

Q: 19 21 22 1> This individual's sex is female [ Choose] trisomy 21 karyogram 2n 2 The genetic disorder…

A: A karyotype is a pictorial representation of chromosomes present in the somatic cell of an…

Q: 6. A cell contains 2 pairs of chromosomes. The first pair consists of a chromosome with the T and G…

A: Cell cycle is a series of events that take place when the cell divides. It occurs in following…

Q: 2. In corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders…

A: In male plants, cytoplasmic male sterility refers to partial or total sterility caused by…

Q: 2 In mammals, males have two different sex chromosomes (X and Y) and females have two similar sex…

A: Sex of an individual human or birds is determined by the presence of specific chromosomes. Usually…

Q: 15. In fruit flies, Drosophila, the gene for eye color is carried on the X chromosome. The allele…

A: Here Dominant allele will be represented by R  Recessive allele by r

Q: In which parent did the nondisjunction occur? Explain and/or illustrate. Did nondisjunction occur at…

A: Non-disjunction indicates that chromosomes are not properly separated, resulting in an additional or…

Q: The DNA content of a diploid cell in G1 is y. The DNA content of this same cell at metaphase of…

A: The DNA content is duplicated after G1 PHASE IN S phase so the DNA content during the meiosis I…

Q: 36 The diagram below represents a cell containing a pair of chromosomes at metaphase I of meiosis.…

A: The meiosis is a cell division process by which diploid (2n) mother cell divides it's nucleus twice…

Q: A woman with normal chromosomes mates with a man who also has normal chromosomes. a. Suppose that,…

A: Non-disjunction is the failure of separation of chromosomal pair during anaphase stage of cell…

Q: 1. A diploid organism has the genotype I1I2V1V2 Y1Y2 on different chromosomes. Diagram only these…

A: In cell biology, mitosis is a part of the cell cycle in which replicated chromosomes are separated…

Q: 45. Refer to the drawings in Figure 13.2 of a single pair of homologous chromosomes as they might…

A: In prophase I of meiosis, homologous chromosomes start pairing and cause the formation of synapses.…

Q: 7. Domestic house cats have a diploid chromosome number of 38. How many chromosomes would you expect…

A: Domestic cats have 38 chromosomes. The chromosome number generally refers to the number of…

Q: Observation

A: The monosomies , trisomies and other type of chromosomal abnormalities mainly affects the chromosome…

Q: 8. Down Syndrome most commonly results from having three copies (trisomy) of chromosome 21 instead…

A: Meiosis is responsible for producing the four haploid gametes from the parent cell.

Q: Down's syndrome, trisomy 21, is due to what likely problem during meiosis? Select one: a. Failure of…

A: The correct answer to this particular question will be, c. Overactive APC adding to many Ub to…

Q: Inspect Figure 3-8: which meiotic stage is responsiblefor generating Mendel’s second law?

A: Numerous cells constitute the body of an organism. Cells forms tissues and organs. There are a total…

Q: *8.13 Mr. and Mrs. Lambert have not yet been able to produce a viable child. They have had two…

A: . Homologous chromosomes have corresponding DNA sequences and come from separate parents; one…

Q: For part c, do they consider the total sex chromosomes to be 2 or 3?

A: The total number of sex chromosomes in the given karyotype is 3.The human has a total of 46…

Q: 22. Dogs have diploid number of 78 chromosomes. How many chromosomes do their gametes have? O A. 39…

A: Chromosomes are thread like structure found in the nucleus of both plant and animal cells.…

Q: i) How many chromosomes and chromatids were present in cell A during the G1 phase? Please clearly…

A: To divide, a cell must accomplish many things: expand, reproduce its genetic material (DNA), and…

Q: Mendel’s law of independent assortment can be explained by? The random alignment of homologous…

A:

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: Given: Adult diploid cell (2n = 8) 2. Illustrate the condition of the chromosomes during the…

A: Meiosis It is the process of divisions in which a single cell divides two times to generate four…

Q: In Pop-Bead Meiosis, you start with 4 chromosomes: 1 big red, 1 little red, 1 big yellow, and 1…

A: Cell division is a type of splitting phenomenon in which parent cell splits and gives rise to new…

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.