You asked: Which chromosome is the largest in size?

What is the largest gene size?

Gene sizes

Largest Genes in the Genome
Gene Size (Mb) Section
Gene Size (Mb) Section
TTN 0.28 Muscle
MUC16 0.13 Mucins

What is the smallest chromosome in size?

Chromosome 21 is the smallest human chromosome, spanning about 48 million base pairs (the building blocks of DNA) and representing 1.5 to 2 percent of the total DNA in cells.

Is a DNA molecule bigger than a chromosome?

From smallest to largest: nucleotide, gene, chromosome, genome. Nucleotides are the smallest building blocks of DNA. … A gene is therefore composed of many pairs of nucleotides. A chromosome is a long strand of DNA which is coiled up with various proteins.

Which is the smallest gene?

Thus the mccA gene encodes the peptidic chain of MccC7. To our knowledge, mccA is the smallest gene so far reported.

What is bulk DNA?

Bulk DNA is the DNA that is present in majority and is different from satellite DNA.

Can people have 22 chromosomes?

Chromosome 22 Monosomy is a rare disorder characterized by absence (deletion or monosomy) of all or a portion of chromosome 22. In most cases, associated symptoms and findings are thought to result from monosomy of all or a part of the long arm (q) of the 22nd chromosome.

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What is Nondisjunction?

1 NONDISJUNCTION

Nondisjunction means that a pair of homologous chromosomes has failed to separate or segregate at anaphase so that both chromosomes of the pair pass to the same daughter cell. This probably occurs most commonly in meiosis, but it may occur in mitosis to produce a mosaic individual.

What is chromosome 21 called?

Babies with Down syndrome have an extra copy of one of these chromosomes, chromosome 21. A medical term for having an extra copy of a chromosome is ‘trisomy. ‘ Down syndrome is also referred to as Trisomy 21.

Is a gene smaller than DNA?

A gene is a short length of DNA found on a chromosome that codes for a particular characteristic or protein. Alleles are variations of the same gene.

Is a codon bigger than a chromosome?

From smallest to largest, the order is nitrogenous base, nucleotide, codon, gene, chromosome, nucleus, and cell. … RNA nucleotides contain a sugar called ribose; DNA nucleotides contain a similar sugar called deoxyribose.