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Chromosomes
Chromosomes contain the genetic material DNA
1,309 Questions
What do the bands on chromosomes signify?
The bands on chromosomes are regions of condensed DNA that are stained differently to create a visible pattern. These bands help scientists identify and locate specific genes on the chromosomes. The patterns of bands can also reveal genetic abnormalities or structural rearrangements in the chromosomes.
What part of the cell that contains chromosomes?
The nucleus is the part of the cell that contains chromosomes. It serves as the control center of the cell and houses the genetic material in the form of DNA.
Tell me what a replicated Chromosome?
A replicated chromosome is a chromosome that has been copied during the S phase of the cell cycle, resulting in two identical sister chromatids joined at the centromere. This duplication ensures that each daughter cell receives a complete set of genetic material during cell division.
Chromosome abnormalities treatment?
Treatment for chromosomal abnormalities depends on the specific condition and its impact on the individual's health. Options may include medical management of symptoms, genetic counseling, supportive care, and in some cases, surgery or other interventions to address complications. Research into genetic therapies is ongoing to explore potential future treatment options.
When are chromosomes duplicated?
The DNA is copied when the RNA goes in the nucleus and combines with one of the copies of the DNA and takes it to the ribosomes. When the RNA takes a copy of the DNA the DNA goes through a process called Replication.
Chromosomes are duplicated during?
Organelles and chromosomes are copied during S phase and G2 phase of Interphase in Mitosis. More particuarlly, the S phase is where DNA replication occurs and the G2 phase synthesizes proteins and organelles needed in Mitosis.
How are chromosomes and chromatin related?
Chromosomes are structures within the nuclei of eukaryotic cells that contain DNA combined with proteins. Chromatin refers to the actual material of the chromosomes, the DNA plus the proteins.
What is chromosome number of horse?
The domesticated horse has a haploid number n = 32. In the wild horse (Przewalski's horse) n = 33.
When do chromosomes replicate?
Chromosomes replicate during the S phase of the cell cycle, which occurs before cell division. During replication, each chromosome is copied to produce two identical sister chromatids connected at the centromere. This process ensures that each daughter cell receives a complete set of genetic information.
N chromosomes refers to the total number of chromosomes in a cell. In humans, n typically equals 23, consisting of 22 pairs of autosomes and 1 pair of sex chromosomes (XX for females, XY for males). Each parent contributes one set of 23 chromosomes to their offspring, resulting in a total of 46 chromosomes.
Difference between chromosomes and DNA?
The smallest unit is the gene, which can be any length of base pairs, A, C, T, and G. All genes fit on DNA. DNA is a double helix shape, meaning it looks like a ladder twisted around in a spiral shape. The "rungs" are the bases, and the long part is made out of a sugar, deoxyribose, and a phosphate group. All that DNA is then condensed into chromosomes.
Haploid chromosomes are single sets of chromosomes found in the reproductive cells of an organism. In humans, haploid cells are created through the process of meiosis, where each parent donates one set of chromosomes to the offspring. Haploid cells have half the number of chromosomes as diploid cells, which contain two sets of chromosomes.
Actually, most birds have a diploid number (2n) of ~80 pairs of chromosomes. Two thirds of all birds have between 2n=74 and 2n=82; they have highly conserved karyotypes throughout evolution.
The bird you are probably thinking of is a species of kingfisher, which has the highest chromosome number known (2n=134 or 138 - it gets hard to tell with that many). The haploid number of chromosomes is then 67 or 69.
The two main types of chromosomes are sex chromosomes, which determine an individual's biological sex (XX in females, XY in males), and autosomes, which are all other chromosomes that contain genetic information unrelated to sex determination. Autosomes come in pairs and are responsible for carrying most of an individual's genetic information, while sex chromosomes determine the sex of an individual.
Number of chromosomes in a human body?
Each cell has 46 chromosomes. Eggs and sperm each have 23, thus a human has 46.
A duplicated chromosome consists of two?
Two sister-chromatids.
Each chromatid consists of a molecule of DNA together with associated proteins. There are two DNA molecules (sister-chromatids) following the replication of DNA midway through the preceding interphase. The sister-chromatids are therefore genetically identical.
chromatids
chromatids
The two identical joined chromosomes before cell division begins is called sister chromatids.
What is the designation for the short arm of a chromosome?
Chromosome # + p
so the short arm of Chromosome 11 is referred to as 11p
Clustering is a process of putting similar data into groups. This
paper presents data clustering using improved genetic algorithm
(IGA) in which an efficient method of crossover and mutation are
implemented. Further it is hybridized with the popular Nelder-
Mead (NM) Simplex search and K-means to exploit the
potentiality of both in the hybridized algorithm. The performance
of hybrid approach is evaluated with few data clustering
problems. Further a Variable Length IGA is proposed which
optimally finds the clusters of benchmark image datasets and the
performance is compared with K-means and GCUK[12].The
results revealed are very encouraging with IGA and its
hybridization with other algorithms
Clustering is a process of putting similar data into groups. This
paper presents data clustering using improved genetic algorithm
(IGA) in which an efficient method of crossover and mutation are
implemented. Further it is hybridized with the popular Nelder-
Mead (NM) Simplex search and K-means to exploit the
potentiality of both in the hybridized algorithm. The performance
of hybrid approach is evaluated with few data clustering
problems. Further a Variable Length IGA is proposed which
optimally finds the clusters of benchmark image datasets and the
performance is compared with K-means and GCUK[12].The
results revealed are very encouraging with IGA and its
hybridization with other algorithms
Clustering is a process of putting similar data into groups. Thispaper presents data clustering using improved genetic algorithm(IGA) in which an efficient method of crossover and mutation are implemented. Further it is hybridized with the popular Nelder-Mead (NM) Simplex search and K-means to exploit the potentiality of both in the hybridized algorithm. The performanceof hybrid approach is evaluated with few data clusteringproblems. Further a Variable Length IGA is proposed whichoptimally
finds the clusters of benchmark image datasets and theperformance is compared with K-means and GCUK[12].The results revealed are very encouraging with IGA and
its hybridization with other algorithms
Which is the largest chromosome?
If you consider the haploid human genome occupies a total of just over 3 billion DNA base pairs, and the genome is stored on 23 chromosome pairs.
3,000,000,000 / 23 = 130,000,000 (rounded to nearest hundred thousand).
So one gene is roughly one-hundred-million base pairs.
What happens to chromosomes after mitosis?
After mitosis, the sister chromatids that make up each chromosome separate and are divided into two new daughter cells. Each daughter cell receives a complete set of chromosomes identical to the original cell.
What is the difference between DNA and chromosome?
DNA contains the genetic instructions for a living cell's function. Chromosomes are thread-like structures that contain DNA and histone proteins.
A chromosome is a loosely defined term, and vary widely among different organisms.
DNA is a set of instructions, and chromosomes help fit the DNA molecules into a cell's nucleus. Chromosomes are essential units for cellular division and replication to insure genetic diversity.
How many chromosomes do bullfrogs have?
100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
or maybe 3.
human male is having 27 chromosome x2 now. out of this one pair contains the sex determining genes. they are of two types Xand Y. male have XX and female have XY.
