A female with Turner syndrome is denoted by which of the following cytogenetic notations?
Q: Which of the following is true about identical twins?
A: Answer - They develop from a single fertilized egg that split into two Identical twins are also…
Q: Explain why a triploid individual is usually infertile?
A: The individual having three sets of haploid chromosomes (3n) is termed as triploid. Triploid…
Q: wo forms of hemophilia are determined by genes on the X chromosome in humans. Assume that a…
A: Hemophilia is an X-linked recessive disease characterized by the lack of normal blood clotting due…
Q: A type AB mother and type AB father will have offspring of what possible genotypes? ___________
A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…
Q: Describe the individuals with the following chromosomal abnormalities: Trisomy at chromosome 21 XXY…
A: Chromosomes are the condensed forms of chromatin seen during the cell division. They were…
Q: What environmental factors may increase incidence of chromosomal abnormalities? Name at least three.
A: Chromosomal abnormalities or aberration is defined as the defect in the structure or the number…
Q: You may include drawings as part of your answers. Explain in detail 2 human chromosomal disorders.…
A: Introduction Chromosomal aberrations are the common cause of abnormal development of the embryo or…
Q: Define trisomy 16.
A: Chromosome disorders are non-inheritable abnormalities in which individuals possess either extra or…
Q: by what age a person with trisomy 16 can survive?
A: due to nondisjunction of chromosomes in maternal meiosis I stage, there are high chances of more…
Q: describe the Major Classes of ChromosomalRearrangements
A: Chromosomal rearrangements are the mutations in the chromosomes that alter the structures of…
Q: Explain the following term: Homozygous:
A: Chromosomes are filamentous bodies found in the nucleus. They are composed of DNA (deoxyribonucleic…
Q: Define the following: monozygotic and dizygotic twins,
A: BASIC INFORMATION FERTILIZATION It is the process of the fusion of the male as well as the female…
Q: In
A: Introduction:- The passing on of physical or mental characteristics genetically from one…
Q: Review the process of autosomal dominant inheritance by coloring the following figures. In this…
A: According to the question, we have to review the process of autosomal dominant inheritance by…
Q: What is meant by Trisomy 21 ?
A: Chromosomal abnormalities are the type of genetic disorders caused due to the change in one or many…
Q: Determine the probability of the following outcome if two individuals heterozygous for the disease…
A: Inheritance is the process of transmitting the traits from parent to offspring. Traits of an…
Q: Which of the following is the most common type of chromosomal disorder? O a. Kleinfelter's Syndrome…
A: Any syndrome produced by an aberrant chromosome number or constitution, marked by deformities or…
Q: A trisomy of which autosomal chromosome is the only one which does not cause lethality in utero or…
A: Trisomy are diploid organisms which have an extra chromosome(2n+1). Trisomy 21 or Down's syndrome…
Q: On the basis of the information provided, is the inheritance of haemophilia: autosomal or…
A: Hemophilia is a form of clotting deficiency due to lack of clotting factor 8 and 9. Most affected…
Q: Explain the Syndromes from AbnormalChromosome Numbers ?
A: Chromosomes are thread-like structures present inside the nucleus of the cell. They are made up of…
Q: trisomy 18.
A: Trisomy : The presence of an additional body in some or all of the body's cells.
Q: Autosomal aneuploidy is usually lethal due to genetic_________
A: Introduction Chromosomal aberrations are the common cause of abnormal development of the embryo or…
Q: person with XXY sex chromosomes will typically:
A: xxy is the klinefelter syndrome .
Q: Charles has achondroplasia dwarfism (autosomal dominant) but his wife is normal. What is the…
A:
Q: ne trisomy 21.
A: Gene alterations in an organism have profound effects on both cellular and physiological levels.…
Q: A karyotype shows that a child has Klinefelter syndrome (47,XXY). If the child is also colorblind…
A: Karyotyping is the process of taking photographs of chromosomal pairs to determine the number of…
Q: Describe the cytological observation that suggests that crossing over occurs during the first…
A: The reductional cell division is the meiosis. It happens in two major stages- meiosis I and meiosis…
Q: Differentiate nuclear form extrachromosomal inheritance and solve problems illustrating the latter.
A: Inheritance is the transmission of characters from the parents to the offspring, i.e members of each…
Q: What is the most common chromosomal disorder?
A:
Q: What is Trisomy test?
A: The chromosomes are the thread like structure that contains hereditary information in the form of…
Q: In 1-3 sentences each define the follwing terms: genotype, phenotype, homozygous, heterozygous,…
A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…
Q: Why does a single X chromosome cause infertility and other abnormalities in Turner Syndrome…
A: Turner syndrome (TS) is a genetic disorder that mostly affects females. The clinical features of…
Q: Explain the inactivation of the X chromosome or Lyonization.
A: A classic example of X inactivation is seen in calico cats. As a result tortoiseshell coat pattern…
Q: What are chromosomal Defects. List and Explain any 5 of them.
A: Almost every cell in our body contains 23 pairs of chromosomes, for a total of 46 chromosomes. Half…
Q: Explain the process of the following: a. The normal segregation of chromosomes during Meiosis 1 and…
A: Normal segregation will result in the formation of gametes with normal genotypes. Abnormal…
Q: In humans, the allele for normal blood clotting (H) is dominant to the allele for hemophilia. This…
A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…
Q: Which of the following statements is an incorrect description of the processes of mitosis or meiosis…
A: Answer:
Q: Indicate below the name of the chromosomal regions that are squared and named respectively A and B…
A: John Cairns was the first person to observe the replicating chromosome in E.Coli by autoradiography…
Q: briefly describe how chromosomal disorders happen, explaining non disjunction
A: Chromosomal disorders are of two types - 1.Aneuploidy - It arises due to the addition or deletion…
Q: What are the symptoms of chromosomal abnormalities?
A: The chromosomal abnormalities can be categorized into two types that are structural and numerical.…
Q: Explain how nondisjunction in meiosis is responsible for chromosome abnormalities such as Down…
A: Amongst all the chromosomal disorders, deformities in chromosome number are very easily recognisable…
Q: Incontinentia pigmenti, a rare, X-linked dominant disorder inhumans, is characterized by swirls of…
A: Incontinentia pigmenti is a genetic disorder that damages the skin and is more frequent in females…
Q: Why is trisomy 21 not lethal?
A: Trisomy 21 an equivalent name for Down syndrome is the most common genetic disorder. It causes both…
Q: by what age a person with trisomy 13 can survive?
A: Trisomy 13 or Patau syndrome occurs when 3 copies of the chromosome-13 are present in each cell of…
Q: Using the karyotype and the disorder charts below, which of the following abnormalities is true for…
A: Karyotype:- Karyotyping is the process of matching and ordering all of an organism's chromosomes,…
Q: Define incomplete dominance. Describe autosomal dominant and autosomal recessive disorder with ONE…
A: INCOMPLETE DOMINANCE When neither of the alleles are dominant then incomplete dominance is said to…
Q: If the gene is linked to the "Y" chromosome, women will not have the disorder. Why?
A: Introduction In the nucleus of the cell DNA is packed in a thread like structure called chromosome.…
Q: What would be the outcome of a cross between a heterozygous female and a male that carries two…
A: Genomic imprinting is the variation in phenotypes, which arises depending on whether the factor…
Q: by what age a person with trisomy 18 can survive?
A: Trisomy is a rare genetic condition with three extra copies of chromosomes instead of two copies…
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- Mention any two autosomal genetic disorders with their symptoms.Give the chromosomal constitution & related sex in each of the following :-i) Turner syndromeii) Klinefilter syndromeWilma and Wally have one male child who has been diagnosed withDuchenne muscular dystrophy, an X-linked condition that results insevere atrophy of skeletal muscle. Neither parent has this condition.What is the probability that their next child will have Duchenne musculardystrophy?
- A patient has two parents with Huntington's disease. They may not have inherited this autosomal dominant disorder due to: 1) increased DNA repeats (CAG) during spermatogenesis 2) incomplete penetrance 3) inheriting one recessive allelefor PCOS (polycystic ovarian syndrome) the GENE involved is (CYP19, CYP11a, CYP21, CYP17, ) what Effects of this altered gene product on the affected individual.Describe the individuals with the following chromosomal abnormalities: Trisomy at chromosome 21 XXY XO
- Differentiate a multifactorial disorder from a chromosomal disorder.Sickle cell anemia is inherited as an autosomal recessive condition. It also exhibits incomplete dominance in that the heterozygous genotype displays a mild form of the disease known as sickle cell trait while individuals with the homozygous recessive genotype have a severe form of SCA. A man who has severe sickle cell anemia marries a woman who suffers from a mild trait. What is the probabilitu they will have a child with severe SCA?What is the probability they will have a child with mild SCA? What is the probability they will have a normal child? Show ALL work using punnett squares.An individual with 46, XX genotype is diagnosed with Duchenne-type Muscular Dystrophy, a recessive X-linked disorder. Genetic tests confirm that this individual is a heterozygote for this disorder. Briefly, but specifically, explain how it’s possible that they are showing symptoms of this disorder.