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Chromosomes

Chromosomes contain the genetic material DNA

1,309 Questions

What is dipliod chromosomes?

Diploid chromosomes are complete, paired sets of chromosomes found in the nucleus of eukaryotic cells, with one set inherited from each parent. In humans, the diploid chromosome number is 46. This allows for genetic diversity and ensures that each cell contains a full complement of genetic information.

Chromosomes are located in the nucleus of the cell?

Yes, chromosomes are structures made of DNA and proteins found in the nucleus of a cell. They carry genetic information and are passed down from parents to offspring during cell division.

What is chromosome painting?

Twenty Three Chromosomes in a Cell? Well, that Cell has "Twenty Three Ways of Telling Those Twenty Three One From Each Other."

We have identified those Markers; and when we attach a [differently] coloured Colour Molecule to a differently Specific Marker, we end up with photo Micro Graphs with each Chromosome Resplendent in/with its unique Tagged-on-Colour - ergo Chromosome Painting.

What is the sides of a chromosome called after they are in the structure?

each side of the chromosome is called a chromatid they are bonded together by the centromere

What do chromosomes consist of?

Chromosomes consist of DNA molecules wrapped around proteins called histones. They are found in the nucleus of a cell and contain the genetic information necessary for determining an organism's traits. Humans typically have 46 chromosomes, which come in 23 pairs.

Is a gene a complete chromosome?

No, a gene is a specific region of DNA that contains the instructions for making a particular protein or RNA molecule. A chromosome is a long strand of DNA that can contain many genes as well as other genetic material. Each chromosome may contain hundreds or thousands of genes.

The allele for hemophilia is on the x chromosome and is a?

recessive trait. This means that males are more likely to express hemophilia because they only have one X chromosome. Females can be carriers of the hemophilia allele if they inherit it on one of their X chromosomes.

Is DNA and chromosomes the same thing?

which plant? The chromosome count varies with the species of plant under consideration. Plants have also know to have multiple chromosome doublings - that is sudden creation of species which have 2 3 or even 4 times the proper number of chromosome in their cells. The most notable example of this is wheat.

Who discovered chromosome?

Chromosomes were first discovered by the scientist Walter Flemming in the late 19th century. Flemming observed and described the thread-like structures in the nucleus of cells, which we now know to be chromosomes.

What animal has same number of chromosomes as humans?

Well if you have read the book's in the twilight series by Stephine Meyer you will know we have 24, werewolves have 25 (as does Renesme-Nessie) but vampires have 26. I have no idea what animals do have the same number but technically vampires and werewolves are animals!

What nucleic acid is found in chromosomes?

There are four nucleic acids that make up the DNA of chromosomes. These are the thymine, cytosine, guanine, and the adenine.

How are the usual number of chromosomes restored during fertilization?

During fertilization, the sperm and egg each contribute half of the normal number of chromosomes to form a complete set. This process ensures the restoration of the usual number of chromosomes in the resulting zygote, which will develop into an organism with the appropriate chromosome count for its species.

A segment of DNA on a chromosome that codes for a specific trait?

A gene is a segment of DNA that contains the instructions for making a specific protein or RNA molecule, which determines a particular trait or characteristic. Each gene is located at a specific position on a chromosome in the cell's nucleus.

What chromosome is affected in Turner Syndrome?

The chromosomes which are affected in Turner's Syndrome is the sex chromosomes.

A normal female individual has 2 X sex chromosomes.

In Turner's Syndrome, a woman only has one X chromosome and is missing the other. Thus, a woman with Turner's Syndrome has the sex chromosomes X0.

What chromosome is celiac associated with?

Celiac disease is associated with genes located on chromosome 6, particularly the HLA-DQ2 and HLA-DQ8 genes. These genes play a role in the immune response to gluten, the protein found in wheat, rye, and barley that triggers the autoimmune response in individuals with celiac disease.

A child will be a girl if she receives what chromosomes from father and what chromosomes from mother?

A child's sex is actually determined entirely by his or her father. All eggs in a woman's body contain and X chromosome, whereas sperm cells contain either X or Y. The female sex chromosomes are XX and the male sex chromosomes are XY. Thus, if the sperm that fertilizes the egg contains an X chromosome, the child will be a girl. If the sperm contains a Y chromosome, the child will be a boy.

Chromosomes are duplicated?

Chromosomes are duplicated during the S phase of the cell cycle, which occurs before cell division. This process ensures each daughter cell receives a complete set of chromosomes. Duplication involves making an identical copy of each chromosome, including its genes and DNA.

What is the result of normal chromosome replication?

Normal chromosome replication results in two identical copies of the original chromosome, each with one chromatid. This process ensures that each daughter cell receives a complete set of chromosomes during cell division.

What organism has the highest chromosome number?

Daphnia, the water flea, was recently discovered to have the most genes of any animal. Although it's genome is only about 200 million base pairs in length, 31,000 genes are contained within it. Compare this to the human genome, which is over 3 billion base pairs long, but contains about 23,000 genes.

What are small bodies in the chromosome called?

In the cell there is something called the nucleus which controls all reactions that occur in the cell. In this nucleus there are the chromosomes, in these are the genes. The nucleus is one of several organelles found in the cell. There are mitochondria, Golgi body, vesicles, smooth ER, and rough ER. There a many more.

What are homologus chromosomes?

Homologous chromosomes are pairs of chromosomes that contain similar genes in the same order. One chromosome in the pair is inherited from the mother and the other from the father. They are essential for genetic diversity and are involved in processes such as meiosis and genetic recombination.

What are chromosomes in the nucleus?

chromosome is structure made up of DNA and histones, a type of protein.

DNA in a cell is HUGE (about 2meters long in humans) and in order to fit into a cell, it is wrapped around the histones and coiled up even further to form a chromosome.

What chromosome is affected by Marfan syndrome?

Since the traits for hemophilia are carried on the X chromosome and not the Y, it is more probable for females to have a chromosome with the mutation. Since the mutation is considered recessive and males only have one X chromosome, they are more likely to portray the phenotype for hemophilia than their female counterparts.

What helps dns to coil into a chromosome?

Histone proteins help DNA to coil into a chromosome by forming complexes called nucleosomes. These nucleosomes consist of DNA wrapped around histone proteins, which helps to compact and organize the DNA into a more condensed structure. This coiling into chromosomes allows for efficient storage and regulation of genetic information within the cell.

What is the importance of chromosomes?

In the nucleus of each cell, the DNA molecule (which determines traits) is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. Chromosomes are not visible in the cell's nucleus-not even under a microscope-when the cell is not dividing. Chromosomes are not always visible because they usually are uncoiled inside the nucleus as loose strands called chromatin. When it is time for the cell toperform meiosis or mitosis, they condense and wrap up tightly. The tightly wound DNA is the chromosome (3). Most of what researchers know about chromosomes was learned by observing chromosomes during cell division (1).

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