What is developmental homology?

Q: What causes Euploidy?

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

Q: The following choices are various developmental phenomena relating to the concepts and principles in…

A: There is a separate branch of biology that deals with the process related to growth and development.…

Q: What are called aneuploidy?

A: Nondisjunction is the failure of sister chromatids or homologous chromosomes to separate properly…

Q: How is aneuploidy different from polyploidy? What are the mechanisms by which aneuploidy and…

A: Cells are the fundamental unit of life. Cell division is the process by which two daughter cells…

Q: What is redeployment in developmental biology?

A: Evolution describes the gradual transformation of organisms from their rudimentary beginnings to…

Q: What is aneuploidy? Whatare the conditions caused bythe aneuploidies?

A: The chromosomes are thread-like structure located in the nuclei of both plant and animal cells. They…

Q: What are   most common types of aneuploidy?

A: The presence of an abnormal chromosomal number in a cell is called aneuploidy. The presence of an…

Q: What is the  kinetochore and What is the function of kinetochore?

A: Kinetochore is a disc-shaped protein that assembles on the centromere to link the chromosomes to…

Q: What is the relationship between nondisjunction and aneuploidy?

A: A karyotype represent all chromosomes that are found in an organism. In human beings, there are 23…

Q: Compare and contrast the origins of Turner syndrome, Williams syndrome, cri du chat syndrome, and…

A: Contrast and comparison of origin of syndromes :  Turner syndrome due to meiotic non-disjunction is…

Q: do diversification of  autopolyploids and allopolyploids.

A: The condition that involves the presence of more than two chromosomal sets in an organism is called…

Q: How are homologs similar to each other and how arethey different?

A: Recombination and random segregation of genetic material from the mother and father into new cells…

Q: What is the difference between autopolyploidy and allopolyploidy? How does each arise?

A: The two types of polyploidy are autopolyploidy and allopolyploidy. The polyploidy occurs as the…

Q: What causes genetic divergence?

A: Genetic divergence is a process in which the two or more populations having the same ancestral…

Q: What are haploidentical paternal regions?

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

Q: Within a diploid animal species, what are potential sources of variation in shared, heritable…

A: Mitosis is equational division, it does not lead to variation. When changes occur in somatic cells…

Q: What is meant by Euploidy?

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

Q: What is meant by aneuploidy?

A: The chromosomes are thread-like structure located in the nuclei of both plant and animal cells. They…

Q: . What is aneuploidy? Differentiate between aneuploidy and polyploid

A: Aneuploidy Aneuploids differ from standard 2n chromosome complements in single chromosomes. These…

Q: What role does induction play in development?

A: Induction is the developmental process by which specific tissue types affect the development of…

Q: What is meant by segmentation?

A: R.H. Whitakaer’s classification system categorizes living organisms in five major kingdoms. Kingdom…

Q: What do you mean by Apical dominance?

A: Plants are multicellular photosynthetic eukaryotes belonging to the Kingdom Plantae. They are…

Q: what is Sex-Linked and Sexually Dimorphic Traitsin Humans?

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

Q: How is variation introduced into the genome by meiosis

A: Meiosis is a kind of cell division in which single diploid cell divides twice and four haploid cells…

Q: what is  a reductional division.?

A: Introduction  Cytology deals with the study of cell such as cell morphology, physiology etc. As we…

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   Allopolyploidy?

A: Ploidy refers to the number of chromosomes present in the nucleus of a cell. Polyploids are…

Q: What causes Autopolyploidy?

A: The autopolyploidy is a special type of euploidy under which an additional set of chromosomes is…

Q: What role do homeotic genes play in the development of fruit flies?

A: Drosophila melanogaster popularly known as fruit flies is one of the common organisms used in…

Q: How does a single fertilized egg (zygote) give rise to the variety of cell types, organs, and…

A: Zygote is formed via the fertilization of male and female gamete .

Q: what are allopolyploids.?

A: Every organism contains a definite amount of chromosomes, made up of DNA and protein, and is passed…

Q: How do homeobox genes control segmental identity in drosophila embryo?

A: Homeobox genes encode DNA binding proteins that regulate the gene expression and controls…

Q: Where are there over 250 species of fruit flies (Drosophila)?

A: Drosophilidae, which members are often referred to as "small fruit flies”. Drosophila melanogaster…

Q: how does Aneuploidy Arises

A: ANEUPLODY  This is a condition in which the number of chromosomes are either more or less than the…

Q: Zygotic Genes Determine Segment Number and Polarity?

A: Genes are the set of nucleotides present in a chromosome that encodes for particular information…

Q: How does linkage between two genes affect inheritance of characters?

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

Q: How is lozenge eye in drosophila an example of pseudoallelism?

A: Pseudoalleles are formed by duplication of a gene which further evolved to develop new functions.…

Q: Why does aneuploidy increase with maternal age?

A: A normal human cell has 46 chromosomes. Aneuploidy is a condition when a human cell has an abnormal…

Q: A. Concept of apoptosis

A: Developmental biology is the study of the development of a single fertilized cell into a complete…

Q: Which Position-effect variegation in Drosophila?

A: Drosophila are known as the fruit flies that are importantly used as a model organism in the genomic…

Q: How does the evolutionary relationship between mice and humans overcome some of the difficulties in…

A: In human and mice physical similarities are Available.Also they are genetically similar. In clinical…

Q: What are homologs and when did they separate?

A: Cell division is a process in which a cell splits into daughter cells. In the process of cell…

Q: What is endopolyploidy? What is its biological significance?

A: Ploidy refers to the number of complete sets of chromosomes in a cell.  One complete set of…

Q: Explain Segment polarity genes?

A: The embryo is known to contain a definite pattern and the gene responsible is known as a…

Q: what are autopolyploids?

A: Chromosomes are structures in the nucleus of eukaryotes that carry genes. Animals and plants have…

Q: The following are various developmental phenomena relating to the concepts and principles in…

A: Developmental biology It is defined as the field of biology that studies the processes through which…

Q: What is crossing over and where does it occur in meiosis? Why is crossing over important for…

A: When a mother cell divides into two or more daughter cells, a parent cell has undergone the process…

Q: How does distribution of the gray crescent affectthe developmental potential of the first two…

A: Introduction: Gray crescent is a cortical region present in the egg of the frog that is recently…

Q: What are two important events that happen in meiosis but not mitosis that contribute to genetic…

A: A series of event that occurs in a cell to make it ready for the division is the cell cycle.  There…