by what age a person with trisomy 18 can survive?

Q: What is Extrachromosomal inheritance?

A: Inheritance is the process by which this genetic information present in the genes is passed on from…

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: Which parent passes on the Y chromosome to the child?

A: Part or all of the genetic material of an organism in a long DNA molecule is called a chromosome.…

Q: How many types of trisomy are there?

A: Trisomy is the presence of one extra copy of a chromosome in the genome. It is mostly caused by the…

Q: For a couple, what is the significance of knowing chromosomal aberrations?

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

Q: Why are newborns with an abnormal sex chromosome number more likely to survive than those with an…

A: Humans have a total number of 46 chromosomes that is 23 pairs of chromosomes in which 22 of them are…

Q: What is the difference between an autosomal dominant andautosomal recessive pattern of inheritance?

A: In autosomal dominant a character must express itself in each generation. It can not skip any…

Q: Under what conditions does a female acquire anX-linked recessive disorder?

A: The dominant allele can be defined as the type of allele which is expressed in the phenotype even if…

Q: Define trisomy 16.

A: Chromosome disorders are non-inheritable abnormalities in which individuals possess either extra or…

Q: What disease is Trisomy 15?

A: Disease:   When an organism’s body system does not work properly or any organ affects by viruses,…

Q: Is this pedigree recessive or dominant? Is it autosomal or sex-linked?

A: Pedigree is defined as the diagrammatic representation of individuals of a family for a particular…

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: Contrast monosomy with trisomy.

A: Chromosomes are the genetic material formed by the coiling of the DNA around the histone proteins.…

Q: Explain why Down syndrome is more common in infants born to women older than 35 years of age?

A: A genetic disorder characterized by abnormal cell division in child resulting in extra (whole or…

Q: What is an example of Extrachromosomal inheritance?

A: Inheritance is the process by which this genetic information present in the genes is passed on from…

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: What is autosomal inheritance?

A: Autosomes are those chromosomes which control the character of our body not the sexual character. In…

Q: How does meiosis explain the first law of Mendel?

A: The process in which the single cell divides twice in order to produce four cells consisting half…

Q: Why is autosomal Monosomy lethal?

A: Most living species have DNA as their genetic material. It is the cell's information centre,…

Q: From this pedigree is it dominant or recessive. Is ur autosomal or sex-linked?

A: Pedigree is define a diagrammatic representation of the individuals of a family for a particular…

Q: Explain how triplets are created naturally (without medical intervention during prenatal…

A: Sexual reproduction is the specialized process in which two distinct individuals participate and…

Q: What is the end result of crossing over?

A: Crossing over allows the exchange of genetic material and forms unique combinations of alleles. This…

Q: What is the difference between extrachromosomal and delayed chromosomal inheritance?

A: Usually the genes are the hereditary units of life. The genes are present in the nucleus and from…

Q: explain Partial trisomy 18.

A: Chromosomes are defined as the thread-like structures that carry genetic information. In humans, 23…

Q: what Is trisomy 18?

A: The chromosomes are the thread like structure that contains hereditary information in the form of…

Q: What is incomplete penetrance and what causes it?

A: Introduction  Any gene have two alleles pairs viz. Dominant or Recessive. The allele which gets…

Q: What causes Extrachromosomal inheritance?

A: Inheritance or heredity is passing-on one trait form the parents to the progeny by either asexual or…

Q: how is it possible for a person who inherited XY gene to have female phenotype?

A: There are 46 chromosomes in each cell of the human body. The sex chromosomes, X and Y, are two of…

Q: What is Trisomy 17?

A: Chromosomal disorders are the disorders that are caused due to increase or decrease in the number of…

Q: What are various kinds of twins?

A: Pregnancy is also termed as gestation during which one or more offspring develop in the uterus of a…

Q: what Is trisomy 13 ?

A: A chromosomal disorder is a missing, extra, or irregular portion of chromosomal DNA. It can be form…

Q: How long can you live with Trisomy 18?

A: Trisomy 18 also known as Edwards syndrome. It is a chromosomal abnormality. Chromosomes are…

Q: How long can a person live with Trisomy 16?

A: Trisomy 16 is a genetic alteration in which there is an extra copy of a chromosome 16 in a person.…

Q: Which is more harmful trisomy or monosomy?

A: The chromosomal disorder are caused due to absence or excess or abnormal arrangement of one or more…

Q: Discuss and differentiate: Trisomy 13 Trisomy 18 Trisomy 21 Turner syndrome Klinefelter syndrome

A: Answers All these diseases are genetic disorders. Trisomy 13(2n+1) Also known as Patau syndrome,…

Q: Is the inheritance autosomal or sex-linked?

A: The genes are located on the specific region of the DNA. Genes determine the phenotypic…

Q: Trisomy 21, or Down's syndrome, is the result of which event occurring during the meiotic process?

A: Ans. A nucleus, where genetic material is contained in genes, is located on every cell in the human.…

Q: What is the most common autosomal recessive disease?

A: Autosomal recessive disease refers to the type of disease that can be passed down through families.…

Q: What determines the phenotype of the offspring ?

A: An organism's genotype refers to its entire genetic makeup. The alleles or variants that an…

Q: Two albinos marry and have four normal children. Howis this possible?

A: Introduction Albinism is a genetic condition that causes a person's skin, hair, and eyes to be…

Q: If a woman is heterozygous for neurofibromatosis (a dominant disorder) and produces with a…

A: Neurofibromatosis (NF1) is hereditary disease (which can be passed on from one generation to…

Q: Two normal parents have a child with cyatic fibrosis. Would this be an autosomal dominant or…

A: Cystic fibrosis is a life-threatening condition that is passed from parents to offsprings in which…

Q: Does the maternal genotype contain zygotic genes?

A: The zygotic genes are genes that are transcribed in the embryonic nuclei developed following…

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: What is Trisomy 20?

A: The chromosome 20 likely has more than 500 genes which provide the instruction for the making of…

Q: What is uniparental disomy and how does it arise?

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: What is recessive epistasis?

A: In epistasis, the collaboration between qualities is hostile, to such an extent that one quality…

Q: Describe two mechanisms for causing uniparental disomy.

A: Uniparental disomy occurs when two copies of a chromosome are inherited from same parent, rather…

Q: What are three similarities and three differences between Autosomal Dominant and Autosomal…

A: Patterns of inheritance in people incorporate autosomal strength and recessiveness, X-connected…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.