Trisomy is when three copies of a chromosome are present in an organism instead of two. How do trisomies such as Trisomy 21 in Down Syndrome occur? What is the mechanism that goes wrong? During which event?

Q: Below is a pedigree chart of an autosomal recessive disorder. Answer the following questions using…

A: Autosomal recessive disorders are genetic disorders that are inherited by two genes that are…

Q: 16. There are 40 chromosomes in somatic cells of the house mouse, a. How many chromosomes does a…

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Q: THE ROLE MOSOMES 1. Examine the chromosomes shown below from two people. Then, answer the questions…

A: Since there are multiple questions in this particular question, I'll answer the first three subparts…

Q: As a genetic counselor, you may face some ethical dilemmas. Imagine that a couple came to your…

A: In mammals, males have only one copy of X chromosome and females have two copies of X chromosome. In…

Q: #2 New Problem for 3 sex-linked genes. Triply heterozygous females were mated to triply mutant males…

A: (Males)  AABBCC x aabbcc (females)   b)- parental genotype  +,+,+ = 400 a,b,c = 385 c) double…

Q: 7. How is 2n = 6 associated with meiosis? 8. What is the purpose of the process of mitosis? 9. What…

A: # Here I am giving answer of question 7,8 and 9 . Please send questions one by one in the portal.…

Q: 7. Scientists studying the genetics of a congenital discase analyzed the chromosomes of the patient…

A: 7) This is Reciprocal translocation mutation. In this there occurs a balanced transfer of segment of…

Q: Q1: Choose the Correct Answer of the Following Questions Which can a chromosomal map show? a. the…

A: Genetics is the study of the transfer of certain traits (eye color, hair color) and diseases from…

Q: Assume that figure (A) represents a normal karyotype of this animal. What is the diploid number of…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: What is the processes of mitosis and meiosis indicating where the similarities lie and in which…

A: Hello, thank you for your questions, according to our policy I am answering only the first question.

Q: 1. Inversion type that produces inv9 and inv12 2.Condition caused by translocation between…

A: Inversion is a type of chromosomal aberrations.

Q: .Hemophilia is a sex-linked recessive condition that results in deficient blood clotting. The…

A: Hemophilia is a genetic bleeding disorder that happened by change or mutation in genes. In this…

Q: 5. a. About how many molecules of histone H2A wouldbe required in a typical human cell just after…

A: The cell cycle is also referred to as the cell division cycle. This cycle refers to a series of…

Q: Select the true statements. (can be multiple).     Sperm and egg cells are diploid, meaning that…

A: Haploid cells contain a single set of chromosomes. Diploid cells contain two sets of chromosomes.

Q: Do homologous chromosomes have the same exact NUCLEOTIDE sequences? Why do we only need 23…

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Q: 2. Null mutations are valuable genetic resources becausethey allow a researcher to determine what…

A: A null mutation is a mutation in which a copy of a gene becomes non-functional. This type of…

Q: 3. There are 40 chromosomes in somatic cells of the house mouse. (a) How many chromosomes does a…

A: The mouse has two sets of chromosomes, making it a diploid creature. Each mouse somatic cell has 40…

Q: In cats, a gene on the X chromosome (X-linked) makes the protein amelogenin, which helps direct the…

A: First of all we will discuss about sex linked disease amelogenesis imperfecta. Some traits of…

Q: Why are organisms that have only a single set of chromosomes (haploid) often more favorable for…

A: NOTE-"As per our honor code, we are authorized to answer only one question at a moment. As you have…

Q: 4. How many sex chromosomes in a normal human karyotype? 5. What are the sex chromosomes in a male,…

A: Chromosomes are the thread-like structures present inside the nucleus of the cell. It is made up of…

Q: 9. Common red clover, Trifolium pratense, is a diploidwith 14 chromosomes per somatic cell. What…

A: The genus family species Trifolium sp belong to Fabaceae. Red clover (Trifolium pratense L.) act as…

Q: Fragile X syndrome why is interesting Fragile X syndrome  What are the symptoms or characteristics…

A: As per our policy, We are answering only question first 5. For the rest of the questions please…

Q: In the example shown , what is the underlying cause of nonallelichomologous recombination?

A: Chromosomes are found in the nucleus of living cells that is made up of protein and deoxyribonucleic…

Q: 5. By conducting testcrosses, researchers have determined that corn has ten linkage groups. How many…

A: To determine the genotype, the experiments are done in which organism of dominant phenotype is…

Q: 20. Normal gene order on a fruit fly chromosome is a b c d (cen) e f g. You have recovered a mutant…

A: Introduction :- When a section of one chromosome, or a packet of genetic material, is flipped, the…

Q: 20 In chickens, the sex-determining chromosomes are called Z and W. Male roosters have two Z…

A: Sex determination in birds is ZZ/ZW type. Males are homogametic, ZZ. Females are heterogametic, ZW.

Q: The nuclei of a skin cell found in a gorilla contains 48 chromosomes. How many chromosomes would you…

A: Cell division is of two main types and they are mitosis and meiosis. Mitosis is the process by…

Q: 5) Cystic fibrosis is caused by a gene on chromosome 7 and results in the build-up of mucus in the…

A: Cystic fibrosis or (CF)- it is an inherited disorder that leads to severe damage to digestive…

Q: 4. Strawberry species and hybrids can be diploid, tetraploid, pentaploid, hexaploid, heptaploid,…

A: Ploidy level is a term referring to the number of chromosome sets in somatic cells of the diploid…

Q: We are not single celled organisms and multiple cell divisions occur between fertilization and…

A: Introduction :- Gametogenesis as its name suggests , is the process of formation of mature gametes (…

Q: 2. An onion cell (2n) with 10 autosomes and 2 sex chromosomes is about to undergo meiosis. How many…

A: An onion is a multicellular plant organism (one with many cells). An onion peel cell has a cell…

Q: 8.Roberts Syndrome is an extremely rare genetic disorder that is characterized by mild to severe…

A: Genetic Disorders arise due to mutations in the genome of an organism. These diseases are present at…

Q: 1. Genes in different chromosomes ______ during meiosis. Genes that are very close together in the…

A: As per the guidelines, we are supposed to answer only one question. Kindly repost the other question…

Q: Which of the following substances is NOT a component of a eukaryotic chromosome?   choose 1 answer…

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

Q: Edward’s syndrome in humans (trisomy 18) is characterized by which genetic feature? it involves a…

A: GENETIC DISORDER It is an inherited medical condition caused by a DNA abnormality. It arises due to…

Q: 36. Look at this pedigree and circle each row yes/no. Any assumption (that is not outrageous) can be…

A: Pedigree depicts the pattern of the members of a family for a particular trait.

Q: How does Aceto-Orcein interact with the chromosome? Give detailed information.

A: Aceto-orcein is a biological stain consisting of orcein in solution with acetic acid prepared by…

Q: A diploid (ie, contains TWO sets of chromosomes) organisms with a 45,000-kb haploid (counts only one…

A: DNA is the genetic material used to carry genetic information from one generation to another which…

Q: 13. Cystic fibrosis is caused by a recessive lethal gene and can be detected by an excess…

A: Cystic fibrosis is autosomal recessive disorder where there is defect in CFTR gene  Cause of cystic…

Q: 4. Suppose you are studying gene X in yeast using four different strains. Strain 1 is haploid and…

A: Introduction Yeasts Are Single-celled Eukaryotic Microorganisms. A Small Fungus Made Up Of Single…

Q: 9.) In humans, when a dark-skinned person reproduces with a very light-skinned person, their…

A: When a cross is made between two sets of genes that results in different observed traits, this is…

Q: 11. The discovery of chromosome banding in eukaryotes has greatly improved our ability to…

A: The figure is showing trisomy of chromosome 21.

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

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Q: If dog’s body cells have 78 chromosomes, how many chromosomes do their gametes have?

A: Chromosomes are composed of DNA and protein. They are the structure formed by higher-order folding…

Q: In Drosophila, the gene that controls red eye color (dominant) versus white eye color is on the X…

A: In Drosophila melanogaster (Fruit fly) there are two eye colours present Red and White, where the…

Q: Chromosome from an A1 cow: 3' 5' Microsatellite 412A100 Beta casein A1 3' 5' A The same locus, but…

A: First of all DNA is broken down with the help of certain specific restriction endonucleases into DNA…

Q: I just need clarity on part c.

A: Karyotype refers to the total number of chromosomes in the organism. The process of pairing all the…

Q: In a DNA study, from a patient with mental retardation, the FMR1 gene is located, which causes many…

A: Mutations are sudden heritable changes in the nucleotide sequence that alters the amino acid and…

Q: The size of one copy of the human genome is approximately 3 billion base pairs, and it contains…

A: Chromosomes are organized structures containing DNA (deoxyribonucleic acid) and proteins that manage…