Chromosomes

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.

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.

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.

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.

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.

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.

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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Chromosomes are large organic molecules that contain most or all of the genetic information of the cell or virus and a great many genes. This threadlike structure is found in the cells of every organism and is responsible for passing of characteristics to offspring is the process of heredity.

Chromosomes are structures made up of DNA and proteins found in the nucleus of cells. DNA contains the genetic information of an organism and is packaged into chromosomes. Each chromosome contains many genes, which are specific sections of DNA that encode for proteins and other functional molecules.

In prokaryotes, chromosomes are usually circular and less structured compared to eukaryotic chromosomes. They are condensed nucleoid regions found in the cytoplasm, containing the genetic material of the organism.

Chromosomes are composed of DNA, which carries genetic information, and proteins that help support and organize the DNA. Together, these components form the structure of a chromosome, which can be seen during cell division.

A chromosome is a thread-like structure made of DNA and proteins found in the nucleus of a cell. It contains the genetic information that determines an organism's traits. Humans typically have 23 pairs of chromosomes.

Chromosomes are formed from long strands of DNA that are tightly coiled and packaged with proteins called histones. This coiling and packaging help to condense the DNA in order to fit within the cell nucleus and ensure proper organization during cell division.

Humans have thousands of different genes arranged on 23 pairs of chromosomes. These are arranged from largest to smallest on a karyotype.

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Chromosomes are made of a single strand of DNA. There are also some proteins that are bound to this DNA in order to manage it and keep it coiled, these are also sometimes referred to as part of the chromosome.

A sat chromosome, short for satellite chromosome, is a chromosome with a secondary constriction that contains highly repetitive DNA sequences called satellite DNA. These regions appear as small, secondary appendages on the chromosome and play a role in chromosome structure and organization.

Chromosomes are not visible during the interphase stage of the cell cycle when they are in their less condensed form. Additionally, chromosomes may not be visible if the cell is not actively dividing or if they are not stained for observation under a microscope.

Chromosomes are DNA, which is made of sequences of nucleotides. Also there are some supporting factors such as proteint which help with it's structure and functioning. Nucleotides are molecules with a carbon-skeleton structure, about 3 small rings in size each. They bind in strings to other nucleotides quite strongly. One string binds less strongly to another string, but only if the nucleotides match (largely). In DNA there are four nucleotides, Adenine and Thymine which match, and Guanine and Cytosine which match.

the organelle that contains the chromosomes would be the nucleus. Inside of the nucleus where the actual chromosomes are is the nucleolus.

Diploid is the full set of chromosomes - one of each from each parent.

Haploid is just the set from one parent (half the total).

The number varies in different animals. In humans the full diploid number is 46 and the haploid number is 23.

Ligers are hybrid offspring of a male lion and a female tiger. They inherit 17 chromosomes from the lion and 16 chromosomes from the tiger, resulting in a total of 33 chromosomes. This is possible due to a phenomenon called chromosomal pairing during meiosis, where homologous chromosomes from each parent pair up and segregate into gametes.

The number of chromosomes vary depending on species. Human cells have 23 pairs = 46 chromosomes. A cow cell has 2 x 30 = 60 A horse cell has 2 x 32 = 64 A goldfish has approximately 100
23 are in sex cells and then 46 in body cells

Chromosomes are thread-like structures made of DNA and proteins found in the nucleus of a cell. They contain the genetic information needed for cell growth, development, and functioning. In humans, chromosomes come in pairs, with one set inherited from each parent.