What is a haplotype? How do different haplotypes arise?

Q: How can gene duplications occur?

A: An extra copy of the gene is produced in the genome of the organism by the various process is known…

Q: What do the colored bands on chromosomes in a karyotype represent?

A: Chromosomes can be defined as the thread-like structures which is located inside the nucleus of…

Q: What is a genetic interval?

A: The functional unit of heredity is known as genes. They consist of deoxyribonucleic acids(DNA). Some…

Q: What is geneticequilibrium?

A: An allele is an alternate version of a gene as a gene usually two copies of a gene on due to 2…

Q: What is a genetic familytree?

A: Genetics is the study of genes, variations, and mechanisms of heredity in organisms. Parents inherit…

Q: How Is the Genetic Information Rearrangedby Genetic Recombination?

A: The exchange of genes among the organisms, which leads to offspring with new genetic variants is…

Q: where and when recombination occurs?

A: Recombination is the process in which DNA segments are nicked and then recombined to form new…

Q: What are polytypic genes?

A: Genes are defined as the building blocks and the coded information that defines the complete physico…

Q: How do you determine gene linkage?

A: Genes are the structural and functional units of heredity that carry coded genetic information in…

Q: Why are the nonrecombinant offspring more common than the recombinant offspring?

A: Reproduction is a natural process in which offspring’s are produced from the parents. Reproduction…

Q: What is genetic linkage?

A: During the meiosis process of sexual reproduction, DNA sequences that are similar together on a…

Q: Are forward and reverse primer are complementry to each other ?

A: Forward primers: Forward primers are one of the two types of primers used in a PCR setup. The main…

Q: What is tandem and non tandem duplication?

A: A major mechanism by which new genetic material is produced during molecular evolution is gene…

Q: What is a gene with only one common, wild-type allele?

A: The coding region of the gene is known as allele. Wild-type alleles are the original form of the…

Q: How does homologous recombination work?

A: The genetic recombination is a process in which the physical breakage, exchange, and then rejoining…

Q: What is difference between anonymous DNA polymorphisms and nonanonymous DNA polymorphisms?

A: DNA (deoxyribonucleic acid) polymorphism is the variation in the sequence of DNA in the population.…

Q: What are Categories of Genetic Variants?

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

Q: What are recombinant chromosomes? How do they differ fromthe original parental chromosomes from…

A: Recombination is the process in which sequences of DNA molecules are broken and then recombined to…

Q: How many genes are there present on chromosome 15 ?

A: A chromosome is a microscopic structure that consists of proteins and DNA, and is present in every…

Q: What is a segmental duplication?

A: DNA is the genetic material present within the nucleus in the cell. It maintains the heredity of the…

Q: What are genes located on the same chromosome?

A: Genetic recombination refers to the rearrangement of DNA sequences by the breakage and rejoining of…

Q: What is Locus heterogeneity?

A: Inheritance of genetic diseases follows a simple Mendelian pattern of inheritance. Its study is…

Q: Why must the carrier of a genetic disease be heterozygous?

A: Homozygous means a person carries two identical pair of the gene whereas heterozygous means the…

Q: what is structural gene and what is non-structural gene? what is the differences between them?

A: Introduction Genetics is the branch of science that deals with genetic material like genome, genes,…

Q: What is an allelic mutation?

A: Gene is a unit of heredity that is transferred from 1 generation to another, from parents to their…

Q: how are karyotypes used? how does a karyotype of a male differ from a female?

A: Karyotype is a simple picture of a person's chromosomes. In order to get this picture, a person's…

Q: what is Unequal crossing-over between duplications ?

A: Crossing over is the process during which the non-sister chromatids of a homologous pair of…

Q: What is a serotype of an organism?

A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…

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: overlapping genes?

A: The basic physical and functional unit of heredity is the gene. DNA is the material that makes up…

Q: Which individuals can be termed as clones?

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

Q: What is a single-nucleotide polymorphism (SNP)? How are SNPs used in genomic studies?

A: Single nucleotide polymorphisms ( SNPs) are a type of polymorphism that involves a single base pair…

Q: What is a phenotype?

A: Phenotype is derived from two Greek words: phainein, which means “to show,” and typos, which mean…

Q: What is diploid genome ?

A: The examination of a person's entire genome, along with how their genes communicate with one another…

Q: In which chromosome gene 5-HTT locates?

A: Chromosomes are defined as the structures that are present in the nucleus of the cell which carries…

Q: How many genes are there present on chromosome 17 ?

A: A chromosome contains hundreds to thousands of genes. Each ordinary human cell contains 23 sets of…

Q: What is the difference between recombination and crossing over?

A: The study of genetic variations, heredity, and genes is called genetics.

Q: What is balancer chromosomes? How balancer chromosomes are used ?

A: Chromosomes are DNA-carrying structures located in the center (nucleus) of cells. The substance that…

Q: What are Possible Dominance Relations in case of amorphic mutations?

A: Mutation is the sudden heritable changes that occur in the DNA sequences due to error while…

Q: What is wild-type allele?

A: A variable form of a gene is called an allele. Some genes exist in multiple versions, all of which…

Q: What is molecular homoplasy?

A: Evolution is the process of change in characteristics of an organism that are a result of the…

Q: What are the four types of chromosomal rearrangements?

A: Chromosomal rearrangements are the mutations in the chromosomes that alter the structures of…

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.