Distinguish between penetrance and expressivity.

Q: How can epistasis explain incomplete penetrance?

A: Penetrance in genetic terms refers to the ratio of individuals that carry a specific allele of a…

Q: Define genomic imprinting.

A: Genes are the basic structural and functional unit of heredity. They carry coded genetic information…

Q: Define DNA polymorphisms

A: DNA is composed of four nucleotides: adenine (A), cytosine (C), guanine (G), and thymine (T) (T).…

Q: Several Types of Genetic Variants Occur?

A: Genetic variation is phenomenon of change in the DNA sequence of genome in a constraint individual…

Q: Describe how traits can exhibit incomplete penetrance and vary in their expressivity.

A: Some features are the product of the interplay of different genes and can also be impacted by their…

Q: Explain how it is possible for a person with a translocationor an inversion to be phenotypically…

A: Chromosomes are the condensed packaged structure of the genetic material of an organism. The…

Q: Explain about the pleiotropic gene.

A: A gene is a stretch of nucleotides present in the DNA. It codes for the synthesis of an RNA or…

Q: Describe some syndromes that result from chromosomal nondisjunction?

A: Nondisjunction of chromosome: - During cell division, it is the failure of separation of homologous…

Q: Define mutant allele

A: The genome of an organism consists of the genetic information that is inherited by its offsprings.…

Q: describe some of the human genetic disorders that are caused by nondisjunction?

A: Step 1 Nondisjunction is the non separation of homologous chromosomes during anaphase I that brings…

Q: Explain complete and incomplete penetrance and give an example

A: Penetrance is basically the probability of the gene or the trait of being expressed. Despite the…

Q: Define wild-type alleles (+)

A: Wild type allele is the phenotype of the organism that is the product of standard normal alleles.…

Q: Explain the concept of genomic variation ?

A: Genomic variation is the change or slight difference in condition or amount level, with certain…

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: What occurs during crossing over?

A: Cell division is a process by which a cell divides into two or more daughter cells. cell division…

Q: Explain the functional relationship and their roles in inheritance of DNA, genes, alleles, and…

A: Deoxyribonucleic acid or DNA is a molecule composed of two polynucleotide chains that coil around…

Q: What are Categories of Genetic Variants?

A: The difference in DNA sequence between organisms of a population is called genetic variation. These…

Q: explain the Phenotypic effects of duplications

A: Duplication of chromosome refers to an addition of an extra chromosomal arm attached to a…

Q: Explain the Pedigree Analysis and Genetic Disorders ?

A: Genetics is a part of science worried about the investigation of genes, genetic variety, and…

Q: What are choromosome theory of inheritence?

A: The Chromosomal Theory of inheritance was suggested by two scientists named Sutton and Boveri, which…

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: Define heterozygous condition for a gene.

A: Introduction: A gene is the basic unit of heredity. It is a sequence of nucleotides present on DNA…

Q: What is extranuclear inheritance? Describe three examples

A: DNA is the genetic material found in all prokaryotic and eukaryotic cells. DNA is double stranded…

Q: Define about random monoallelic expression ?

A: Genes are carriers of hereditary in organisms. A gene is a DNA sequences having two alleles in it…

Q: Would you characterize the pattern of inheritance ofanonymous DNA polymorphisms as recessive,…

A: The Human Genome Project was completed in 2003, and the DNA sequence of the complete human genome…

Q: define the term derived allele

A: Genetics is the branch of biology, which deals with the study of genes, their pattern 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: Difference between inheritense of one gene and inheritence of two gene?

A: INHERITANCE - we all poses some similarities with our parents because we inherit some of their…

Q: What are factors that alter the phenotypic expression of genotype?

A: Genotype The genotype can be defined as the genetic make-up of an individual organism. Our genotype…

Q: In which of the following does one gene control the expression of another, independently inherited…

A: The heredity basic physical and functional unit is called a gene. They are formed from the DNA…

Q: Define late-onset genetic trait

A: Genes are the basic structural and functional units of heredity. They are composed of…

Q: Explain Penetrance and expressivity?

A: Genotype- It is the set of genes that we have inherited from our parents and will pass on these…

Q: Define crisscross inheritance

A: Crisscross inheritance is a transmission of genes from parents to offspring. Here we will know more…

Q: What are the penetrance and the expressivity of a gene?

A: In some cases, individuals who have the same genotype do not display the same phenotype in exactly…

Q: What are The effects of random events on penetrance and expressivity?

A: Genotype- It is the set of genes that we have inherited from our parents and will pass on these…

Q: What are Hypermorphic alleles?

A: Alleles are the variant forms of gene. Genes carry coded genetic information in the form of specific…

Q: Give bilological term for an alternation in the genetic material that can be inherited.

A: Step 1 Genetic alteration includes chromosomal abnormalities and gene mutations. It occurs due to a…

Q: How can we determine the penetrance and expressivity of the genotype ?

A: The term Penetrance refers to whether or not the genotype has clinical expression.The term…

Q: What is chromosome theory of inheritence?

A: Chromosomes are thread-like structures made up of chromatin.

Q: Explain maternal-effect mutations?

A: Mutation means sudden changes occur in DNA sequences. The mutation occurs randomly. It also occurs…

Q: Define genotype class

A: Genetics is the branch of Biology dealing with the study of genes including their structure,…

Q: Indicate and explain at least three examples of abnormalities in genes and chromosomes

A: Three of the various abnormalities associated with genes and chromosomes encompass Schizophrenia,…