(Pick all that apply) Heritable genetic variation can arise through: Changes in chromosome number Recombination Somatic mutations Crossing over during meiosis Mutations that occur during mitosis
Q: The sorting and recombination of genes in meiosis result in a greater _______ of possible _____…
A: The procedure whereby a parent cell divides into two or more daughter cells is known as cell…
Q: Melanoma is a type of cancer in which abnormal skin cells divide uncontrollably. Some chemotherapy…
A: Cancer is one of the most dreaded diseases of human beings and is a major cause of death all over…
Q: pairs of homologous chromosomes do not separate normally during | Choose ) meiosis one copy of a…
A: Answer of 1) : Nondisjuction Because it takes place whilst homologous chromosomes or sister…
Q: The chromosomes that do not affect gender (chromosomes 1 through 22) are called ________. Genetic…
A: Sex determining mechanism in case of human is XY type. Out of 23 paires of chromosomes present, 22…
Q: /hat could cause the ratio in a dihybrid cross to not be 9:3:3:1? random assortment parents are both…
A: A dihybrid cross is the breeding of two plants having two different traits (features). For example,…
Q: You can choose one or more than one option During an experiment with Drosophila, it was…
A: Introduction: Thomas hunts morgan and his colleagues for the experimental verification of the…
Q: Physical recombination leading to the production of recombinant progeny classes occurs during___
A: Recombination is the creation of new Deoxyribose Nucleic Acid (DNA) molecule(s) from two parental…
Q: What is a haplotype?a. A species with one set of chromosomesb. A cell with one set of chromosomesc.…
A: The ploidy term refers to the number of sets of the chromosomes. The euploidy refers to the…
Q: Which of the following describes a set of specific alleles on a chromosome? Recombination…
A: Ploidy is a term which describe the number of sets of chromosomes in a cell. The term haploid…
Q: The gene for curly/straight hair in guinea pigs is located on the X chromosome. The dominant "R"…
A: Given Hair trait is X linked phenotype. Curly hair (R) is dominant over straight hair (r)
Q: involves breakages and exchanges between sister chromatids on the same chromosome occurs during…
A: Crossing over can be defined as the swapping of genetic material which occurs in the germ line.…
Q: . All the genes on one chromosome are said to form aa. chromosomal group.b. recombination group.c.…
A: All the genes on one chromosome are linked together on a continuous DNA (deoxyribonucleic acid)…
Q: The presence of an extra chromosome is called: 1. Mosaicism 2. Trisomy 3. No disjunction…
A: Chromosomes square measure thread-like structures settled within the nucleus of animal and plant…
Q: Fill in the numbers: Humans = ____,_____. Fruit flies, who have 4 chromosomes and are diploid =
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Q: What is a haplotype?a. A species with one set of chromosomesb. A cell with one set of chromosomesc.…
A: Chromosomes are filamentous bodies present in the nucleus. They are composed of DNA(…
Q: Three of the statements below are true statements and one is false. Select the FALSE statement. New…
A: Genetics describes the study of how traits are inherited. A trait can be defined as a basic…
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: Which of the following is/are true about the chromosomes depicted in the picture? I. II. IV. Ea…
A: In genetics and genomics, crossing over refers to the exchange of DNA between homologous chromosomal…
Q: Sex linkage refers to genes which are linked to each other on the sex (X or Z) chromosomes.
A: The chromosomes that are present in the diploid cells of the sexually reproducing animals are…
Q: Nondisjunction is rare. Which of the following is FALSE? O A. Nondisjunction is when chromosomes…
A: Cell division is the process by which cell divides into generate new cells .
Q: A phenotypically normal individual has the following combinations of normal and abnormal…
A: Chromosomal deletion is simply deletion of the part of the chromosome. Chromosomal inversion is a…
Q: For the three genes shown, identify the row that shows the alleles that would be found on each of…
A: The event of the exchange of genetic material between human organs chromosomes during sexual…
Q: Which of the following events or processes can result in Patau syndrome, Turner Syndrome, or…
A: The gene is the basic unit of heredity. Most of the organisms have Deoxyribonucleic acid (DNA) as…
Q: When you see all those little colored "Xs" on a karyotype, each "X" is actually (Кеер in mi that we…
A: Mitosis is the type of cell division in which a cell divides into two cells and the chromsomes are…
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: Different versions of the same gene are called: Chromosomes O Alleles DNA O Daughter Cells
A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…
Q: Which of these statements is false ? Homologous chromosomes are identical in size and shape.…
A: Homologous chromosomes These are the two pieces of DNA inside the diploid organism which have the…
Q: This diagram shows a parental cell going through meiosis and producing 4 daughter cells. Which cel…
A: Cell division is a phenomenon takes place inside the cell in which parent cell undergo splitting…
Q: look for a phenotype, then [ Choose ] find the gene that was mutated several phenotypes all [ Choose…
A: Genetics involves the study of different genes and their inheritance pattern. In genetics, we can…
Q: Edit View History Bookmarks Window Help く> A blackboard.azwestern.edu Moving to another question…
A: Genetic material is present in the nucleus and controls the inheritance of traits from one…
Q: The process of Mitosis is
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Q: wo individuals have a mutation on chromosome 18. This mutation, when present in one copy, results in…
A: A mutation can be defined as the change in the DNA that results in change or damage in the gene.…
Q: Chromosome number: Can impact phenotype Is not related to genome size Varies depending on the…
A: Question - Chromosome number : A) Can impact phenotype B) Is not related to genome size C) Varies…
Q: The mother was exposed to a mutagen during early pregnancy that altered the genotype of her…
A: The sex determination system regulates the development of sexual characters in any organism.…
Q: Chromosomes that do not determine the sex of an individual are called ______. nonhomologous…
A: Chromosomes can be divided into two types depending on the role it is performing.Namely,Sex…
Q: What is true of linked genes? Choose all that apply: pts deducted for including incorrect answers…
A: Linkage explains why some traits are typically passed down in families. Because the genes for hair…
Q: Represent the segregation of chromosomes during Meiosis 1 and Meiosis 2 a.) normal segregation in…
A: In the diagram the above diagram is meiosis or oogmeisis that ioccurs in females and below is the…
Q: The mother and father both carried a recessive allele which were then passed to the daughter. The…
A: Chromosomes are thread-like structures that are present inside the nucleus of the cell. It is made…
Q: If a baby is born with 3 copies of chromosome 18. This genetic abnormality is due to: O a defect in…
A: The presence of three copies of chromosome 18 in humans is called trisomy 18 or Edward's syndrome.…
Q: Diploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial) e.g. 47, XY,…
A: Down syndrome is a genetic disorder that generally associated with the physical growth delays,…
Q: Gametes are made in the process of mitosis. are the result of replication. are the result of…
A: A gamete is a haploid cell (n) that fuses with another haploid cell during the fertilization in…
Q: Which of the following statements best describes an individual whose genetic make-up is shown below?…
A: Chromosomes are thread like structure present in the nucleus of cell. These are the hereditary…
Q: A human protein, MC1R is responsible for telling human cells what type of pigment proteins to…
A: The human protein is produced due to the transcription and translation process of one gene. A gene…
Q: The genetic map shows the location of three genes on a chromosome. Order the gene pairs based on…
A: The technique of determining the positions of genes on chromosomes is known as gene mapping. The…
Q: The exchange of parts between non-homologous chromosomes is called ____
A: Chromosomes are present inside the cell nucleus and are made up of DNA (Deoxyribonucleic acid)…
Q: A human with an XY chromosome pair appears female. What might explain this person's condition? O…
A: ANSWER;-c) This person has a mutated SRY gene Explain;- Variations (additionally called changes)…
Q: A transfer of genes between non-homologous chromosomes is known as transolocation duplication…
A: Step 1 Diploid organisms have two copies of every chromosome, one copy is received from the mother…
Q: Which cellular process underlies Mendel´s law of independent assortment? Chromosomes align…
A: * Mendel's law of independent assortment states that two or more than two different gene alleles…
Q: Color blindness is a sex linked disease (on the X chromosome). The recessive form of t will lead to…
A: Color blindness or color vision deficiency is a genetic disease, is a sex-linked disease. A person…
Q: Including the sex chromosomes, the chromosome number of a normal human cell is ___________ and the…
A: Chromosomes are present inside the cell nucleus and made up of DNA (Deoxyribonucleic acid) molecules…
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- QUESTION 13 Assume that a diploid cell (2N=8) contains 4 pairs of chromosomes (3 pairs of autosomes and 1 pair of sex chromosomes) designated as 1m, 1p, 2m, 2p. 3m, 3p, Xm, and Xp where "m" stands for maternal origin and "p" stands for paternal origin. If nondisiunction for the Xm chromosome ocurred in meiosis I, what will be a likely chromosomal composition of the resulting 2 daughter cells at the end of this cycle? O 1m, 2p, 3p, Xm, Xp AND 1p, 2m, 3m, Xm, Xp O 1m, 2p, 3p, Xm, Xp AND 1р, 2m, 3m O im, 1m, 2p, 2p, 3p, 3p, Xm, Xm, Xp, Xp AND 1p, 1p, 2m, 2m, 3m, 3m, Xm, Xm, Xp, Xp O 1m, 1m, 2p, 2p, 3p, 3p, Xm, Xm, Xp, Xp AND 1p, 1p, 2m, 2m, 3m, 3mQUESTION 2 Listed below are some sex chromosome combinations. For each combination, state whether the individual is male or female in humans and also in Drosophila (assume the flies have two sets of autosomes). Chro mos ome S XXX XY XO XXY Humans DrosophilaAsap
- QUESTION 2 Variable expression of the MERRF syndrome arises from recombination between nuclear and mtDNA O homoplasmic cells mitotic segregation nuclear genes environmental factorsQuestion 4 Consider a diploid organism with a diploid number of 30. Show your work and/or explain logic on all parts. a. How many total chromatids will be present in a typical cell at mitotic metaphase? b. How many tetrads are present in a metaphase I cell of meiosis? c. How many dyads are present in a metaphase II cell in meiosis? d. How many monads are expected in each product cell at the end of meiosis II?QUESTION 34 What would be predicted to be the most common cause of chromosome translocations in Meiosis? A. Incorrect resolution of chiasmata in Meiosis II B. single point mutations during Meiosis II C. nondisjunction events resulting from incorrect resolution of chiasmata in Meiosis I D. improper cleavage of the cohesion complex
- O e. Penetrance QUESTION 10 Sickle-cell anemia is a human disorder caused by a recessive allele (HbS) for the hemoglobin gene found on chromosome #11. The normal allele (HbA) is dominant. Mary has sickle-cell anemia, and she marries Steve, who does not have the disease. Mary and Steve have one kid Rosa, who has sickle-cell anemia. What is Steve's genotype? Oa. HbS Ob. HbSHbS O c. HbAHbS O d. HbAHbA Oe. Cannot be determined ck Save and Submit to save and submit. Click Save All Answers to save all answers. 7 20 # 3 $ 4 % 5 MacBook AirQUESTION 1 Consider a diploid species with a diploid number of 30. Show your work and/or explain logic on all parts. 2 How many chromatids would be found in a cell that is in Prophase II of meiosis? b fatpical dplod cel,in G of the cell cycle, from this species contains DNA with a mass of 10 picograms, how many picograms of DNA would be in a bypical gamete? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUSParagraph Arial 14px In !!!Question #2: Recombination is a process that creates genetic diversity during meiosis. Below is the average amount of recombination (y-axis) in several species of eukaryotes (shown on the x). SAR=Stramenopiles-Alveolates-Rhizaria Eukaryote log recombination rate (cM/MI SAR fungi other animals unseg, worms insects www molluses fishes crustaceans amphibians + reptile DO aves mammals other plants gnoliids magnolii basal eudicots superrosids superasterids lilioids+alismatids commelinids conifers a) What do you notice about the amounts of recombination in the various species? b) This paper found that recombination is positively correlated with gene density (number of genes per kb of chromosome) and negatively correlated with the density of repetitive elements (areas of the genome that are repetitive and do not encode genes). Why might this be the case? c) A cross was made between two individuals (AaBbxAaBb) where A codes for red eyes, a codes for blue eyes, B codes for curly wings, and b…
- Question 39 The Philadelphia chromosome has which chromosomal abnormality? O A large pericentric inversion O A large deletion of the entire q arm O A large paracentric inversion O A reciprocal translocationQuestion 3: A woman suffers from albinism and is also a carrier for haemophilia. Draw a well- labelled diagram of a cell in Metaphase depicting the relevant chromosomes associated with these conditions. Identify the specific chromosomes (consult previous lectures) associated with these conditions. Your diagrams should clearly indicate the chromatids, chromosomes, genotypes, alleles, and cell structure needed in Metaphase. Use A/a to indicate alleles associated with albinism and H/h for haemophilia.Question 38 Which of the following are associated with dynamic mutations? Genomic imprinting O Trinucleotide repeat diseases O Maternal effect diseases O Mitochondrial diseases O X-chromosome inactivation