What is   Heteroplasmy?

Q: What causes Euploidy?

A: In eukaryotes there are two kinds of cell, gametic cells and somatic cells. The somatic cell…

Q: what are specialized structures that define the ends of eukaryotic chromosomes?

A: A chromosome is a complex collection of DNA found in the nucleus of a cell. Organisms with different…

Q: What are male heterogamety and female heterogamety?

A: Gametogenesis is the process where the male and female gametes are produced in the organisms. The…

Q: What is the chromosome number of the cell shown in the figure?

A: Chromosome contains two chromatin fibers/chromatids.

Q: how does Tetraploids arise?

A: The process by which parent cell divides to produce two daughter cells is called cell division. This…

Q: What is inflorescence? What are its two types?

A: Here we describe the inflorescence and it's two types.

Q: What does the sex chromosome genotype OY produce in drosophilia?

A: Drosophila melanogaster is a fly species that belong to order Diptera. This is also known as fruit…

Q: What is the difference between Euploidy and polyploidy?

A: Chromosome may be defined as the condense form of DNA that can be inherited from one generation to…

Q: What does the sex chromosome genotype XO produce in drosophilia?

A: In Drosophila, XO type of sex determination will be seen in which males have only one type of X…

Q: What are the “chiasms” of homologous chromosomes seen in prophase I?

A: Prophase I is a stage in meiosis.  Meiosis is a mode of cell division. In this a cell divides to…

Q: what are  hexaploid species?

A: Polyploidy  is a condition in which there are more than two set of chromosomes(2N). 3N is triploid (…

Q: What is the difference between homologs and sister chromatids?

A: Introduction  Chromosomes are referred to the condensed stage of chromatin fibre. Chromosomes are…

Q: What is haploid (n) ?

A: The gametes of an organism consist of half the chromosomes that are normally found in diploid body…

Q: What is meant by Euploidy?

A: Chromosomes are the thread like structures present in the genetic material. They contain genes and…

Q: What causes Tetraploidy?

A: Tetraploidy is a particularly rare chromosomal aberration, polyploidy, when an affected individual…

Q: What is acrocentric chromosome?

A: Chromosomes are rod-shaped condensed chromatin fibers that act as hereditary vehicles as they store…

Q: What is Locus heterogeneity?

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

Q: Where do euglenoids occur?

A: Algae are significant because they are the primary producers of biomass in the aquatic ecosystems.…

Q: Where do the linear chromosomes of eukaryotic cells terminate?

A: Genetics is a branch of biology that deals with genes, heredity, and variation. Heredity purely…

Q: what are aneuploids?

A: Chromosome is the tread-like appearance of the nucleic acids and protein molecules present in the…

Q: What is plastid inheritance?

A: The plastide is a membrane-bound organelle present in plant cells, algae, and many other eukaryotic…

Q: What is anomic aphasia?

A: The anomia is generally a language disorder - inability to express or communicate. It will slowly…

Q: What does the term “coenocytic” mean?

A:

Q: How does mitosis maintain 46 chromosomes in daughter cells, while meiosis reduces the number to 23…

A: Mitosis and meiosis are the two types of cell division taking place in eukaryotes.Mitosis is a kind…

Q: Where are the two ends of a kinetochore microtubule?

A: Cells are the fundamental basic unit of life. They are modified in different ways to carry out…

Q: How do prokaryotic & eukaryotic cells differ in size? How are their chromosomes shaped? Where in the…

A: INTRODUCTION Eukaryotes : cells with clearly defined nucleus. Prokaryotes : lack nucleus and other…

Q: Is Neurospora haploid or diploid?

A: Neurospora falls in the family of fungi under phylum Ascomycetes. These group includes pigmented…

Q: What is Homoplasmy

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

Q: What is haplontic?

A: Eukaryotic cells divide either by two ways mitosis or meiosis. Mitosis occurs in somatic cells…

Q: What causes plastid inheritance?

A: Plastid is a cellular organelle that is membrane-bound and found in plants, algae, and some other…

Q: Why is Heteroplasmy rare?

A: Heteroplasmy is a condition when the organellar genome present in a cell or an individual is of…

Q: What are trichomes for?

A: The word trichome is derived from the greek word trichōma which means ‘hair’. They are specialized…

Q: What does the sex chromosome genotype XYY produce in drosophilia?

A: Drosophila melanogaster is commonly known as fruit fly. It belongs to the kingdom Animalia, phylum…

Q: What does Homoplasmic mean?

A: Mitochondria are endosymbionts that over time lost many of their genes or transported them to the…

Q: What does the sex chromosome genotype XY produce in drosophilia?

A: Sex chromosomes, i.e., X and Y chromosome in an organism, determines the biological sex of an…

Q: What is mitotic nondisjunction?

A: A cell is a basic membrane-bound unit and it is often called the basic building blocks of all living…

Q: How is the mating type of a yeast cell determined?

A: The yeast is a single celled eukaryote that exhibit both diploid and haploid mode. The mating of…

Q: What structure is formed by when  two sister chromatids areheld together by a centromere?

A: In the process of cell division, the chromatin present in the nucleus shrinks and form a thread-like…

Q: What are the number of chromosomes in yeast?

A: Eukaryotic organisms have cells with a nucleus that is enclosed in a nuclear envelope. These belong…

Q: What is a heterocyst and what is its function?

A: Blue green algae are called photosynthetic autotrophs because they possess photosynthetic pigments…

Q: what is an inversion loop ?

A: Introduction Inversion: when there is breakage and inverted rearrangement occurs in the chromosome…

Q: What is the relationship of cytoplasmic segregation and variegation?

A: Cytoplasmic segregation is defined as the production of two types of descendant cells that is mutant…

Q: What is plasmogamy?

A: A fungus is any member of the group of eukaryotic organisms. It includes microorganisms such as mold…

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.