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What is a circular chromosome?
A circular chromosome is, essentially, exactly what it sounds like: a chromosome (strand of DNA that carries the genetic information of an organism) that is circular. Circular chromosomes are found in prokaryotes such as bacteria, as well as in mitochondria and chloroplasts. Eukaryotic cells, on the other hand, typically have chromosomes that are linear, meaning they have two ends that do not connect.
Which kingdom has members with one circular chromosomes?
The kingdom with members that have one circular chromosome is the Monera kingdom, which consists of prokaryotic organisms like bacteria. These organisms typically have a single circular chromosome that contains all their genetic information.
What is the shape of a prokaryotic chromosome?
Prokaryotic chromosomes are typically circular in shape, meaning they form a closed loop. This circular chromosome is found free-floating in the cytoplasm of the prokaryotic cell, unlike the linear chromosomes found in eukaryotic cells which are housed within the nucleus.
What happens in meiosis one that does not occur in meiosis two?
DNA is copied
What are bits of DNA that have been repeatedly copied from one chromosome to another referred to as?
Transposable elements, or transposons, are bits of DNA that have been repeatedly copied from one chromosome to another. These elements can move within the genome, causing genetic mutations and playing a role in genome evolution.
What is the name of each chromosome after being copied?
it is called a sister chromosome :)
Are the chromosome copied before meiosis or during meiosis?
before
Who has a small circular chromosome independent from the nucleus?
A plant cell.
What is a circular chromosome?
A circular chromosome is, essentially, exactly what it sounds like: a chromosome (strand of DNA that carries the genetic information of an organism) that is circular. Circular chromosomes are found in prokaryotes such as bacteria, as well as in mitochondria and chloroplasts. Eukaryotic cells, on the other hand, typically have chromosomes that are linear, meaning they have two ends that do not connect.
How many circular chromosomes does salmonella have?
Salmonella typically has one circular chromosome. This single chromosome contains the majority of the bacterium's genetic information, and it is a characteristic feature of many bacteria. In addition to the main chromosome, Salmonella may also contain plasmids, which are smaller, circular DNA molecules that can carry additional genes.
Which kingdom has members with one circular chromosomes?
The kingdom with members that have one circular chromosome is the Monera kingdom, which consists of prokaryotic organisms like bacteria. These organisms typically have a single circular chromosome that contains all their genetic information.
What common condition is caused by presence of three copied of chromosome 21?
Down syndrome
What is the shape of a prokaryotic chromosome?
Prokaryotic chromosomes are typically circular in shape, meaning they form a closed loop. This circular chromosome is found free-floating in the cytoplasm of the prokaryotic cell, unlike the linear chromosomes found in eukaryotic cells which are housed within the nucleus.
4 chromosome mutations?
Deletion: Part of a chromosome is missing. Duplication: A segment of a chromosome is copied multiple times. Inversion: A segment of a chromosome is reversed in orientation. Translocation: Part of a chromosome breaks off and attaches to another chromosome.
Does a prokaryotic cell have DNA?
Yes, but Single circular chromosome and lacks histone.
Circular DNA molecule that is not part of the chromosome in bacterial cells?
The circular DNA molecule that is not part of the bacterial chromosome is called a plasmid. Plasmids are small, extrachromosomal pieces of DNA that can replicate independently of the bacterial chromosome. They often carry genes that provide bacteria with additional functions, such as antibiotic resistance.
If the genetic material of a cell is organized in a single circular chromosome the organism is .?
The organism is likely a prokaryote, such as bacteria. Prokaryotes typically have a single circular chromosome that contains their genetic material. This is in contrast to eukaryotes, which have multiple linear chromosomes.
