Genome

Genome

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Genome

codominance

Biology; Genome

Situation in which two different alleles for a genetic trait are both expressed. See also: autosomal dominant, recessive gene.

sex-linked

Biology; Genome

Traits or diseases associated with the X or Y chromosome; generally seen in males. See also: gene, mutation, sex chromosome.

megabase (Mb)

Biology; Genome

Unit of length for DNA fragments equal to 1 million nucleotides and roughly equal to 1 cM. See also: centimorgan.

Sequencing method that involves randomly sequenced cloned pieces of the genome, with no foreknowledge of where the piece originally came from. This can be contrasted with "directed" strategies, in ...

meiosis

Biology; Genome

The process of two consecutive cell divisions in the diploid progenitors of sex cells. Meiosis results in four rather than two daughter cells, each with a haploid set of chromosomes. See also: ...