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…