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What is repetitive DNA?
Repetitive DNA refers to sequences of nucleotides that are repeated multiple times in the genome. This type of DNA does not code for proteins and its function is not fully understood, but it is believed to play a role in chromosome structure and gene regulation. Examples of repetitive DNA include satellite DNA, microsatellites, and transposable elements.
What refers to identifying an individual on the basis of repetitive nucleotide sequences in his or her DNA?
DNA fingerprinting
What are repetitive DNA sequences in the ends of chromosomes called?
Telomeres
What is the difference between single gene DNA and repetitive sequences of DNA?
DNA is double Helix But A Gene is a part of that double helix.
What types of DNA sequencing in their DNA?
The types of DNA sequencing are whole-genome sequencing which maps entire DNA sequences, targeted sequencing which focuses on specific genomic regions, and RNA sequencing which identifies gene expression levels.
What is the difference between satellite DNA and repetitive DNA?
Satellite DNA consists of short sequences repeated in tandem, often clustered near the centromere or telomere regions of chromosomes. Repetitive DNA includes all sequences that are repeated multiple times throughout the genome, including satellite DNA as well as other types such as transposable elements and simple sequence repeats.
Why is the DNA code often referred to as redundant or repetitive?
The DNA code is often called redundant or repetitive because it contains multiple codons that can code for the same amino acid. This redundancy helps protect against errors during the process of protein synthesis.
What technique take advantage of repeating DNA sequences that do not code for proteins?
DNA fingerprinting
What is the name of the string of repetitive DNA at the tip of each chromosome in the body?
The repetitive DNA at the tip of each chromosome is called a telomere. Telomeres protect the chromosome from deterioration or fusion with neighboring chromosomes, and they shorten with each cell division. This shortening is linked to aging and disease.
What kind of cells would most likely contain large amounts of repetitive DNA?
Germ cells, such as sperm and egg cells, are likely to contain large amounts of repetitive DNA due to the presence of transposable elements and tandem repeat sequences which can be copied and amplified during meiosis.
Chromosome 21 and 22 contain long stretches of repetitive DNA which?
do not code for proteins but are important for gene regulation and chromosome structure. These repetitive DNA sequences can vary in length among individuals and are associated with genetic disorders such as Down syndrome when present in abnormal amounts. They play a role in chromosomal organization and stability.
What are the 3 models of DNA replication?
Conservative replication would leave intact the original DNA molecule and generate a completely new molecule.Dispersive replication would produce two DNA molecules with sections of both old and new DNA interspersed along each strand.Semiconservative replication would produce molecules with both old and new DNA, but each molecule would be composed of one old strand and one new one.
