How might you determine whether a particular trait is due to cytoplasmic inheritance or to genetic maternal effect?

Q: Describe how a biparental pattern of extranuclear inheritancewould resemble a Mendelian pattern of…

A: Inheritance is the transmission of traits from one generation to the next.

Q: What is Extrachromosomal inheritance?

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

Q: Are the alleles of a genenecessarily originated onefrom the father and the otherfrom the mother? Are…

A: Allele is the one or more versions of a gene. It is variant of a gene. It can refer to the different…

Q: Why does independent assortment promote genetic variation?

A: Independent assortment is a process that occurs during inheritance. Inheritance is the process of…

Q: Can this trait be passed to offspring?

A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. It consists of purines and…

Q: Describe some of the key features of cytoplasmic inheritance. Why do traits that are inherited in…

A: Answer :  Key features of cytoplasmic inheritance :   Cytoplasmic inheritance from mother side…

Q: What are inheritence of two genes?

A: Genes are basic units of inheritance. Gene is  a specific sequence of DNA which encodes specific…

Q: What is an example of a sex-linked trait in humans?

A: Sex-linked trait refers to a trait whose expression depends on a gene present on a sex chromosome.…

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: how do the offspring then end up with two copies of these same genes, one from each parent?

A: Reproduction is the process that ensures the continuity of species on earth. It is the main feature…

Q: How many copies of a gene does the other parent contribute to each of the offspring?

A: Genes are responsible for the expression of traits. If genes have multiple copies, they are referred…

Q: What are choromosome theory of inheritence?

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

Q: How are linked genes similar to sex-linked genes? How are they different?

A: The term gene was derived from the Greek word meaning generation. It is the basic hereditary unit of…

Q: Which gene  is inherited from the father only?

A: A gene is a stretch of nucleotides present in the DNA molecule. It encodes information for the…

Q: Among different species, does extranuclear inheritance always follow a maternal inheritance pattern?…

A: Yes, extranuclear inheritance invariably is contributed by the mother. In many organisms, certain…

Q: What is the chromosome theory of inheritance?

A: Genetic inheritance is a phenomenon that deals with the transfer of characteristics from one…

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: If children obtain half of their genes from one parent and half from the other parent, why aren't…

A: Genes  Genes are the hereditary units of DNA which transfer from parents to their offsprings. Genes…

Q: What is sex linked inheritances and how to do crosses?

A: The chromosomes are threadlike structures inside the DNA that provide structural support and contain…

Q: What is the relationship of the gene to the trait?

A: Gene is a unit of heredity which is transferred from a parent to offspring which determine some…

Q: How does meiosis produce new combinations of alleles?

A: Introduction  A normal cell can divide by two process one is Mitotic cell division while the second…

Q: why are certain genes just expressed in the mother and not in the father or vice versa?

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

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: What reveals units of inheritance and the law of segregation?

A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…

Q: Can mitochondrial DNA be inherited from father?

A: The genome represents the genetic material in an organism having a set of chromosomes which is…

Q: What is quantitative inheritance?

A: Introduction  Inheritance is referred as the pattern of transmission of characters/traits from…

Q: How does the Chromosomal Theory of Inheritance help to advance our understanding of genetics?

A: The chromosomal theory of inheritance :   The sperm cell and egg cell are produced by meiosis.…

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 haploidentical maternal regions?

A: Haploidentical transplant is a type of allogenic transplant. It is a half matched stem cell…

Q: What is the generation of allele combinations through genetic exchange between homologous…

A: The homologous chromosomes are characterized as a set containing both, paternal and maternal…

Q: Who had proposed the chromosomal theory of the inheritance?

A: Inheritance is the basic principle of genetics that explains how the characteristics are passed from…

Q: How can you determine whether an organism is heterozygous orhomozygous for a dominant trait?

A: Genetics is the branch of biology that deals with the study of genes, their inheritance patterns,…

Q: How can genetic heterogeneity affect inheritance patterns?

A: Inheritance is a mechanism in which traits of the parents transfer into the offspring of the next…

Q: What is the difference between genetic maternal effect and genomic imprinting?

A: Gene is a fundamental physical and functional unit of heredity. Genetic disorders and all physical…

Q: List the key tenets of the chromosome theory of inheritance

A: Chromosomes are thread-like structure, which are composed of nucleic acids and protein. They are…

Q: explain difference between maternal effect and cytoplasmic inheritance?

A: The branch of biology that includes the study of genetic variations, genes, and inheritance in the…

Q: Is there a difference between maternal effect and cytoplasmic inheritance?

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

Q: If you ignore the effect of crossing over, would you expect the genetic information in the secondary…

A: No the genetic information in the secondary oocyte and the first polar body to be identical..

Q: How Independent Assortment Leads to Extensive Genetic Variation ?

A: The difference in DNA between individuals or between populations is referred to as genetic…

Q: What is the unusual phenomenon in which the expression of an allele depends on the parent that…

A: A gene is a unit of genetic material and alleles are the alternative form of genes present on the…

Q: How many different classes of offspring (events) are present?

A: Genetics is the branch of biology that deals with the study of genome of an organism and its gene…

Q: What causes quantitative inheritance?

A: Quantitative Inheritance deals with the inheritance of single phenotype characters, controlled by…

Q: Which of the following is not one of the tenets of the chromosome theory of inheritance?a.…

A: Genotype is the genetic makeup of an organism. Chromosomes are the large molecules of genes or DNA.…

Q: What does Germline DNA refers to?

A: Deoxyribonucleic acid (DNA) is the genetic material that carries information from one generation to…

Q: State the chromosome theory of inheritance ?

A: Genes that are passed down through the generations control how each trait is inherited. For each…

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.