Two yeast strains were mated. One was red with mating type A the other was red+ with mating type B. The resulting diploids were induced to undergo meiosis and the meiotic products of the diploids were as follows: 41 red+ B 43 red A 10 red+ A 6 red B How many map units separate the RED gene from the mating type gene?
Q: An individual heterozygous for a reciprocal translocation possesses the following chromosomes: A B •…
A: Cell division is a procedure in which a parent cell divides into two daughter cells. The cell cycles…
Q: After meiosis 1, are the resulting cells haploid or diploid? How can you tell? Group of answer…
A: Meiosis is a type of cell division which takes place in germ cells in organisms who reproduce…
Q: What is the key difference between daughter cells resulting from mitosis and meiosis? In humans, the…
A: Mitosis in meiosis are both processes of cell division In mitosis one cell gives rise to two…
Q: The photomicrograph below shows mitotically dividing cells from whitefish (Coregonus lavaretus). a.…
A: Introduction: Mitosis is an equational division, in which one parent cell divides into two identical…
Q: If the original parental cell had 12 pairs of homologous chromosomes, how many chromosomes would be…
A: Numerous physiological operations happen simultaneously in a biological cell. The sequential…
Q: . In yellow fever mosquitos (Aedes aegypti) 2n=6. In a mosquito cell that is going through mitosis,…
A: Meiosis is the cell division process that results in the formation of egg and sperm cells. Mitosis…
Q: In an organism with a diploid number of 30, how many chromatids are present in each of the following…
A: Cell cycle: - regulated process. - sequential process - irreversible - dependent phase of events
Q: You are investigating two temperature-sensitive mutant cells. In one, you can inactivate shugoshin…
A: Shugoshin inhibits chromatid separation during anaphase I by preventing separase degradation of…
Q: Let’s say there is an organism with two pairs of alleles, W/w and Z/z, each pair is located on a…
A: Mitosis is a type of cell division that occurs in all the cells except sex cells. Here the…
Q: Inversions are known to affect crossing-over. The following homologs have the indicated order (the…
A: It is paracentric inversion. The diagram below show the replication during meiosis
Q: A heterozygous diploid yeast Aa Bb went through meiosis. What percentage of the haploid spores will…
A: Recombination is defined as the process or method by which the DNA pieces are broken down and are…
Q: Mitosis and meiosis are two types of nuclear divisions. Nucleus divides twice in meiosis. Among the…
A: Hi dear, here's your answer what you want. Can you please give me an upvote for this answer. Cells…
Q: Which of the following stages of meiosis II involves separation and movement of the sister…
A: The cell is the basic structural and functional unit of life. It carries out various functions in…
Q: Two haploid yeast strains are crossed together, one wild type, the other mutant for 2 linked genes.…
A: * Yeast cells can also undergo meiosis and will divide into four cells called gametes which are same…
Q: Growth Rate 80 red fast 88 purple slow 18 red slow 14 purple fast What is the distance…
A: Here, in 3rd and 4th case there are recombinant progenies because they have different growth rate…
Q: In both mitosis and meiosis, sister chromatids separate during anaphase, but there are _____ haploid…
A:
Q: Sketch a comparison of Metaphase Mitosis and Metaphase I Meiosis (diploid:8 chromosomes n=4) - Be…
A: Metaphase is a stage during the process of cell division (mitosis or meiosis) where all the genetic…
Q: You are watching a cell undergo meiosis in the lab. You are unsure if it is undergoing anaphase I or…
A: Cell division is a phenomenon involved synthesis of novel cells by the splitting of parent cell . It…
Q: A diploid species has 2N=6 total chromosomes. How many chromatids would be present in a somatic cell…
A: Introduction :- The homologues are pulled apart and travel to opposite ends of the cell during…
Q: In the plant, Haplopappus gracile there is one long pair and one short pair of chromosomes. In the…
A: As given in the question, Haplopappus gracilis is a diploid have one short and one long pair of…
Q: In a haploid fungus, the genes al-2 and arg-6 are 30 m.u.apart on chromosome 1, and the genes lys-5…
A: Chromosomes These are the densely packed DNA structures with proteins.Multiple genes can be found on…
Q: A form of male sterility in corn is inherited maternally. Marcus Rhoades first described this…
A: Cytoplasmic male sterility refers to total or partial male sterility in plants. It occurs as a…
Q: In meiosis, each centromere has a spindle fiber attached only to one side. In mitosis, each…
A: Meiosis: Reductional division 2n (diploid) => meiosis => n (haploid) Mitosis: Equational…
Q: The amount of DNA per cell of a plant species is measured in cells found a different stages of…
A: Mitosis division takes place in all cells in which the parent cell is divided into two daughter cell…
Q: Salient similarities are found in cell divisions. For instance, which phase of meiosis I is most…
A: Cell division is a phenomenon in which parent cell undergo splitting process and gives rise to novel…
Q: A cell goes through meiosis in order to separate a set of replicated chromosomes into two haploid…
A: Meiosis is the process by which a diploid cell divides in two stages and at the end of the second…
Q: Karl and Hally Sax crossed Aegilops cylindrica (2 n = 28), a wild grass found in the Mediterranean…
A: Inheritance is the process of transmitting the traits from parent to offspring. Traits of an…
Q: In which specific stage (or substage) of mitosis or meiosis or both does each of the following…
A: The chromosome undergoes different changes as the cell cycles proceed.
Q: If a diploid cell contains six chromosomes (i.e., three per set), how many possible random…
A: Meiosis is a reductional division which is responsible for producing four haploid daughter cells…
Q: The genes F and G are on the same chromosome in a eukaryote. Using a microscope, you can see that a…
A: F and G are on the same chromosome. The cross is between FG//fg × fg/fg. The gametes produced will…
Q: Let’s say there is an organism with two pairs of alleles, W/w and Z/z, each pair is located on a…
A: Cell division is a phenomenon takes place inside the cell during which parent cell undergo…
Q: Cats have a haploid number of 19 chromosomes. Complete the following table by stating the number of…
A: Mitosis and meiosis both are types of cell division. In Mitosis the chromosome number remains pain…
Q: what are the possible different kinds of gametes produces by meiosis
A: Mendel's law of independent assortment dictates that the alleles of two (or more) different genes…
Q: An individual heterozygous for a reciprocal translocation possesses the following chromosomes: A B •…
A: Translocation is caused Due to separation of a chromosome segment and its union to a non-homologous…
Q: A micrograph of a mutated dividing cell from a zebrafish showed 19 chromosomes, each consisting of…
A: Meiosis is a reductional division. It produces four haploid daughter cells from diploid parent cell.…
Q: In Figure 4-10, what is the mean frequency of crossoversper meiosis in the region A–B? The region…
A: The exchange of genetic material is usually defined as that they are supposed to be stated between…
Q: kangaroos, the somatic cells are diploid, having 22 chromosomes. How many chromosomes are present in…
A: Every cell of our body is diploid. Germinal cells are diploid too but they undergo meiosis when…
Q: The chromosome count of a cell at the beginning of prophase I is 12. What is the centromere count in…
A: Chromosomes are condensed form of DNA that contains our genetic material. In this question, we are…
Q: his-1 and lys-3 are alleles found in baker's yeast that require histidine and lysine for growth,…
A: In its most basic form, genetic transformation is the change of a cell caused by the introduction of…
Q: How many Barr bodies would you expect to see in a human cell containing the following chromosomes?…
A: Barr bodies are inactive, condensed X chromosomes in a cell with more than one X chromosome. Barr…
Q: In humans, random alignment of homologous chromosomes at metaphase, I in meiosis can theoretically…
A: At the point when recombination happens during meiosis, the cell’s homologous chromosomes line up…
Q: A schematic drawing of a Holliday junction is shown next. One chromatid is shown in red, and the…
A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…
Q: Human Somatic (non reproductive) cells have 46 chromosomes organized into 23 pairs. A human somatic…
A: Cells are the basic structural and Functional Unit of Life. Consequently, cell division is one of…
Q: The photomicrograph below shows mitotically dividing cells from whitefish (Coregonus lavaretus).…
A: If diploid of this species has 40 pair of chromosomes. At anaphase cell has 40 pair of centromere.…
Q: Let's take the example of the gray kangaroo (Macropus fuliginosus) whose ploidy is 8 and the sexual…
A: Karyotyping is a cytogenetist’s procedure of photographing chromosomes in order to ascertain an…
Q: If sisiter chromatids of one daughter cell from meiosis l failed to separate during meiosis ll, what…
A: The indirect process of cell division in which the chromosomes of parent cells divide once but…
Q: An individual is heterozygous for a reciprocal translocation, with the following chromosomes: A • B…
A: Translocation in chromosomes refers to the abnormal chromosomal rearrangement. It could be a…
Q: Which of the following describes the state of chromosomes in metaphase II? a two chromatids joined…
A: Answer-- a. two chromatids joined at the centromere
Two yeast strains were mated. One was red with mating type A the other was red+ with mating type B. The resulting diploids were induced to undergo meiosis and the meiotic products of the diploids were as follows:
41 red+ B
43 red A
10 red+ A
6 red B
How many map units separate the RED gene from the mating type gene? (just write the number, no units please)
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- A heterozygous diploid yeast Aa Bb went through meiosis. What percentage of the haploid spores will have recombinant combinations of alleles? What if genes A and B are unlinked? Explain What is genes A and B are linked? ExplainTwo strains of yeast were mated – each with different alleles for two loci - color and growth rate. One strain of yeast was red/fast and the other was purple/slow. The meiotic products (progeny) are listed below Count among progeny Color Growth Rate 80 red fast 88 purple slow 18 red slow 14 purple fast What is the distance (in map units) between the color and growth loci?How many Barr bodies would you expect to see in a human cell containing the following chromosomes? a. XX b. XY c. XO d. XXY e. XXYY f. XXXY g. XYY h. XXX i. XXXX
- A sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. 1. What is the haploid number of this organism? 2. Using diagrams, show a cell at metaphase of mitosis and show the results of mitosis. Ensure you show the location of the gene loci on the different chromosomes.A sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. Using diagrams, show a cell at metaphase of mitosis and show the results of mitosis. Ensure you show the location of the gene loci on the different chromosomes.In an electrophoretic gel across which is applied a powerful electrical alternating pulsed field, the DNA of the haploid fungus Neurospora crassa (n = 7) moves slowly but eventually forms seven bands, which represent DNA fractions that are of different sizes and hence have moved at different speeds. These bands are presumed to be the seven chromosomes. How would you show which band corresponds to which chromosome?
- Karl and Hally Sax crossed Aegilops cylindrica (2 n = 28), a wild grass found in the Mediterranean region, with Triticum vulgare (2 n = 42), a type of wheat . The resulting F1 plants from this cross had 35 chromosomes. Examination of metaphase I in the F1 plants revealed the presence of 7 pairs of chromosomes (bivalents) and 21 unpaired chromosomes (univalents). a. If the unpaired chromosomes segregate randomly, what possiblechromosome numbers will appear in the gametes of the F1 plants?For each of the terms in the left column, choose thebest matching phrase in the right column.a. reciprocal translocation 1. lacking one or morechromosomes or having oneor more extra chromosomesb. gynandromorph 2. movement of short DNAelementsc. pericentric 3. having more than two completesets of chromosomesd. paracentric 4. exact exchange of parts of twononhomologous chromosomese. euploids 5. excluding the centromeref. polyploidy 6. including the centromereg. transposition 7. having complete sets ofchromosomesh. aneuploids 8. mosaic combination of maleand female tissuea. Manually, using a pencil, draw a cell in anaphase II from an organism in which 2n = 2 and each chromosome is metacentric. b. Given that each G1 nucleus from this organism contains 16 picograms of DNA, how many picograms of chromosomal DNA would you expect in the cell shown here?
- If sisiter chromatids of one daughter cell from meiosis l failed to separate during meiosis ll, what would the resulting gametes look like? a. 2 gametes will have 2 of the effected chromosomes, and 2 gametes will have 0 of the effected chromosomes. b. non of the gametes will have any of the effected chromosome. c. 2 gametes will be normal, 1 garmete will have 2 of the effected chromosoms, and 1 gamete will have 0 of the effected chromosome. d. 2 gametes will be normal, and 2 gametes will have 2 of the effected chromosome. e. 2 gametes will be normal, and 2 gametes will have 0 of the effected chormosomeA line of mouse cells is grown for many generations in a medium with 15N. Cells in G1 are then switched to a new medium that contains 14N. Draw a pair of homologous chromosomes from these cells at the following stages, showing the two strands of DNA molecules found in the chromosomes. Use different colors to represent strands with 14N and 15N. Q. Cells in anaphase II of meiosis, after switching to medium with 14NDuring a practical, a group of biology students are tasked to study the cell cycle of an insect. This insect has the karyotype 2n=6, with genotype Aa Bb Ee HH. The students must draw a G2 cell about to enter meiosis, using red lines for maternal chromosomes, blue lines for paternal chromosomes and black dots to represent centromeres. The drawing provided by the students is shown below. a) Identify three mistakes the students made when producing this diagram. In your answer only refer to elements already present in the figure. (3) b) This fly is used in a testcross. What is the probability of producing a fly with genotype Aa bb ee Hh?