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

Q: What are Dicentric chromosome ?

A:

Q: Does crossing over occur during prophase II? From an evolutionary perspective, why is this…

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

Q: How many genes are there present on chromosome 13 ?

A: Chromosomes are the carrier of genetic material deoxyribonucleic acid (DNA). They are coiled in…

Q: If the original parental cell had 12 pairs of homologous chromosomes, how many chromosomes would be…

A: Numerous physiological operations happen simultaneously in a biological cell. The sequential…

Q: How are chromosomes named on the basis of their centromere placement?

A: A chromosome is a thread-like structure that exists in living cells. It is made up of genetic…

Q: In the absence of SPO11, what meiotic events will be affected during early prophase I?

A: Spo11 protein encoded by gene Spo11 plays an important role in creating double-stranded breaks and…

Q: How many genes are there present on chromosome 20 ?

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

Q: what are chromosome bands and why are they important

A: Chromosome banding is the term used to describe the alternating light and dark patches that appear…

Q: What are the number of chromosomes in mustard mouse?

A: In a eukaryotic cell, the genome is distributed among multiple chromosomes located inside the cell’s…

Q: If you are experimenting on a haploid cell with DNA that is equal to 5. What is the amount of DNA…

A: * meiosis is of two types  Meiosis I Meiosis II *meiosis I will contain following stages…

Q: How many genes are there on chromosome 3?

A: All cellular systems are controlled by proteins. The instruction for the synthesis of proteins is…

Q: How many chromosomes would be found in somatic cells of an allotetraploid plant if its parent…

A: 10 Chromosomes.

Q: How many genes are there present on chromosome 16 ?

A: Chromosomes are long thread like structures that contain the genetic information in the form of…

Q: In prophase I, homologous chromosomes pair up and undergo synapsisand crossing over. Can this also…

A: Crossing over is an essential mechanism responsible for shuffling of genes. It occurs during the…

Q: How many genes are there present on chromosome 22 ?

A: DNA gets condensed to form chromosomes during cell division. Chromosomes are rod shaped chromatin…

Q: How many genes are there present  on chromosome 7?

A: Chromosomes are thread-like structures that are located in the nucleus. It is composed of protein…

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 special event happens during Prophase I that leads to increased diversity of the offsprings

A: The Prophase - I is a part of the Meiotic cell cycle .

Q: what is length of chromosome 21 ?

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: How are Dicentric chromosome formed?

A: Chromosomal aberrations are the changes that occur at the level of morphology of chromosomes and…

Q: This event occurs during prophase I when homologous chromosomes pair up and form a tetrad

A: Recombination frequency is a measure of single cross over that takes place between the two genes…

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: If a gamete of an unknown animal species has 18 chromosomes, how many chromatids are at anaphase I?…

A: Introduction: Chromosomes are the condensed form of chromatin present in the nucleus of the cells.…

Q: what are aneuploids?

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

Q: what is length of chromosome 17 ?

A: The deoxyribonucleic acid (DNA) is the sequence that carries the genetic information of an organism.…

Q: what is length of chromosome 18 ?

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: How do polytene chromosomes of an insect differ from normal chromosomes?

A: Polytene chromosome were first reported by EG balbiani in the year 1881 from the salivary glands of…

Q: What are micrographs of the stained chromosomes in homologous pairs arranged by decreasing size?

A: The building blocks of the DNA (Deoxyribonucleic acid) are the nucleotides. A chromosome is a highly…

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: Do phylogenetically proximal species have cells with proximal chromosome counts?

A: Phylogenetically proximal species are the species that close on the phylogenetic trees and had the…

Q: What chromosome rearrangement is thought to be the source of new genes?

A: Chromosome rearrangement is a change in the order of base sequences along one or more chromosomes.…

Q: What is chromosomal rearrangements?

A: “Chromosomes” are “thread-like structures” and is composed of “protein” and a “DNA molecule” which…

Q: What are the number of chromosomes in mustard weed?

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: What are chromosomal islands? Why are theyconsidered to be of foreign origin?

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: How many genes are there on chromosome 5?

A: Chromosomes are thread-like structure, which are composed of deoxyribonucleic acid (DNA) and…

Q: How many genes are there present on chromosome 23 ?

A: Chromosomes are the carrier of genetic material deoxyribonucleic acid (DNA). They are coiled in…

Q: what is length of chromosome 19 ?

A: Chromosomes are thread-like structures that are located in the nucleus. It is composed of protein…

Q: How many genes are there present on chromosome 14 ?

A: Chromosomes are the small structures like a thread situated within the nucleus ofvarious  plant and…

Q: what is length of chromosome 22 ?

A: Chromosomes are present inside the cell nucleus and made up of DNA (Deoxyribonucleic acid) molecules…

Q: What is a clone? Why do offspring’s formed by asexual reproduction exhibitremarkable similarity?

A: Asexual reproduction involves only one parent (uniparental). In this type of reproduction the…

Q: How many genes are there on chromosome 1?

A: In eukaryotes, chromosomes are present in the nucleus but in prokaryotes, the nucleus is not present…

Q: what is length of chromosome 16 ?

A: Introduction: Every human has 23 pairs of chromosomes. Out of these, 22 pairs are autosomes and 1…

Q: If you are experimenting on a haploid cell with DNA that is equal to 5. What is the amount of DNA…

A: Prophase 1 is the stage of meiosis 1. The condensation of chromosomes occur in the prophase 1.

Q: what is length of chromosome 15 ?

A: Chromosomes are thread-like structures situated inside the nucleus of plant and animal cells. Each…

Q: How many genes are there on chromosome 2?

A: Chromosomes are thread-like structure, which are composed of deoxyribonucleic acid (DNA) and…

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 forms during crossing over in prophase 1?

A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…

Q: what is length of chromosome 12 ?

A: Answer- The chromosome 12 of human beings has 1,34,000,000 base pairs (Nitrogenous bases) and we…