Q: What is Extrachromosomal inheritance?
A: Inheritance is the process by which this genetic information present in the genes is passed on from…
Q: What is the gene in the human chromosome that determines the "maleness"?
A: Gene is the sequence of nucleotides that encode a particular protein. The genes are present in the…
Q: What is sex linked inheritance and why is the pattern of inheritance different for males vs females?
A: Sex linked inheritance is the sex-specific pattern of inheritance and presentation when a particular…
Q: What are twins?Genetically what are the twotypes of twins that can begenerated?
A: Pregnancy is also termed as gestation during which one or more offspring develop in the uterus of a…
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: What is crossing over, when does it occur, and what is its significance
A: Genes located close together on the same chromosome are transmitted as a single unit to the daughter…
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: What are polytypic genes?
A: Genes are defined as the building blocks and the coded information that defines the complete physico…
Q: What is Down syndrome ? When does Down syndrome occur ?
A: Human genetic disorders are caused due to the absence or excess or abnormal arrangement of one or…
Q: What is epistasis? What is the difference between dominant epistasis and recessive epistasis?
A: Genetics entails a phenomena, epistasis wherein the impact of a gene mutation depends on the absence…
Q: What are the types of aneuploidy?
A: Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each…
Q: How is it that some chromosomal abnormalities are incompatible with life as early as immediately…
A: Chromosomal abnormalities are one of the reasons of miscarriage and stillbirth and spontaneous…
Q: Which are the two kinds of biological abnormalities that could conceivably be inherited ?
A: Biological abnormalities refer to any condition of the body that alters from the normal parameter;…
Q: How often do mistakes occur in meiosis?
A: Answer: Introduction: Meiosis is the process in which the parent cell divides twice into four…
Q: What are the effects of aneuploidy?
A: Aneuploidy refers to losses or gains of individual chromosomes from the normal set of chromosomes.…
Q: What is a chromosomal island and how can one be identified asbeing of foreign origin?
A: The term chromosomal island is generally used in microbiology with regard to the bacteria. The…
Q: What is polygenic inheritance, and how is it different fromcodominance?
A: The law of dominance does not occur universally. After mendel several cases were recorded by…
Q: Why do extra copies of genes sometimes cause drastic phenotypic effects?
A: The genes are the hereditary unit of an organism which are passed on from the parental generation to…
Q: How is Down syndrome caused?
A: Human genetic disorders are caused due to the absence or excess or abnormal arrangement of one or…
Q: What are some diseases or genetic abnormalities caused by dominant genes? Why are severe dominant…
A: Genetic disorders are conditions that are caused due to aberration in the chromosomes and are mostly…
Q: What is polyembryony?
A: An embryo is defined as the early developmental stage of eukaryotic organisms following the…
Q: Do you know of any genetic diseases or disorders that result from errors in mitosis or meiosis? How…
A: Introduction: Mitosis and meiosis are processes and fundamental stages of cell division and cell…
Q: How to reduce chromosomal abnormalities?
A: Chromosomal abnormalities can be structural or numerical. A structural chromosomal abnormality means…
Q: What are chromosomal disorders?
A: The chromosomes are thread-like structure situated inside the nucleus of plant and animal cells.…
Q: Other than the fact that a Y-linked trait appears only in males, how does the pedigree of a Y-linked…
A: Y-linked traits are known to occur in all male descendants of an affected male but never occurs in…
Q: Can you fix chromosomal abnormalities and Can you prevent chromosomal abnormalities?
A: Humans are diploid (2n) as they contain two sets of chromosomes. One set of chromosomes is inherited…
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 is the most common chromosomal disorder?
A:
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: What are the side effects of Irregularities in the process of chromosome formation or fetal…
A: Mutations are sudden changes that are inheritable and can contribute to a permanent change in the…
Q: Why do unrelated children with a disorder such as Down syndrome resemble each other more closely…
A: Down syndrome is a genetic disorder that is caused due to presence of an extra copy of the 21st…
Q: What are the two types of twins and how do they arise?
A: The period from conception to birth is called pregnancy. When an egg is fertilized by a sperm, the…
Q: which mode of inheritance does this trait show (autosomal recessive, autosomal dominant, X-linked…
A: The given image is of a pedigree chart. Squares represent males and circles represent females. Black…
Q: How to diagnose aneuploidy?
A: The chromosomes are thread-like structure located in the nuclei of both plant and animal cells. They…
Q: How does the pedigree of an autosomal recessive trait differ from the pedigree of an X-linked…
A: Introduction Pedigree Analysis: this is the new approach to study the inheritance pattern in the…
Q: What are the sex-linked disorders that are inheritable?
A: The X and Y chromosomes are defined as the sex chromosomes in humans. A female has two X…
Q: What is the cause of aneuploidy?
A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…
Q: What chromosome is associated with autism?
A: Autism is a condition that appears at an early age of childhood. The person who suffers from autism…
Q: What is a trait for which symptoms are not present at birth and manifests themselves later in life?
A: Genetics is the study of inheritance of genes among the generations that deals with heredity and…
Q: What characteristics are exhibited by a Y-linked trait?
A: Genetic material is any material of animal, microbial, or plants, or other origin that carries…
Q: what are chromosomal abnormalities??
A: Deoxyribonucleic acid (DNA) is a molecule composed of two polynucleotide chains. It coils around…
Q: What types of chromosomal disorders are easily seen with a karyotype?
A: KARYOTYPE:- It is the complete set of chromosomes of an individual used to check for any…
Q: What causes most of the phenotypic abnormalities in someone with Down's Syndrome? A) They have…
A: Aneuploidy is the condition in which abnormal number of chromosomes are seen in the cell.Normally…
Q: How do the four cells at the end of meiosis differ from the original mother cell?
A: Meiosis is a process in which four cells containing half the original amount of genetic material are…
Q: What are the possible effects of chromosomal mutations?
A: Malfunctioning of the kinetochore can lead to a chromosomal abnormality that is known as…
Q: What criteria or features are used to identify each chromosome by number?
A: *NOTE: Kindly repost for other question. Dear Student as per the guidelines we are supposed to…
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…
How is it that genetic abnormalities that include an extra Y chromosome do not have a severe
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- What are the symptoms of chromosomal abnormalities?What chromosome is associated with autism?What causes most of the phenotypic abnormalities in someone with Down's Syndrome? A) They have many gene mutations that produce nonfunctional proteins. B) They express too much of some proteins during development. C) Their cells cannot go through mitosis properly during development because they have an odd number of chromosomes. D) Their chromosomes cannot pair during meiosis.