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Hartnell Biology

QuestionAnswer
Allele An allele is an alternative form of a gene (one member of a pair) that is located at a specific position on a specific chromosome. These DNA codings determine distinct traits that can be passed on from parents to offspring.
Chromosome A chromosome is a long, stringy aggregate of genes that carries heredity information (DNA) and is formed from condensed chromatin.
Gametes Haploid reproductive cells that unite during sexual reproduction to form a diploid zygote. Male gametes are sperm and female gametes are eggs.
Genes Genes are segments of DNA located on chromosomes. Genes exist in alternative forms called alleles. Alleles determine distinct traits that can be passed on from parents to offspring.
Genotype The genetic makeup of an organism.
Mendel's Law of Segregation The principles that govern heredity were discovered by a monk named Gregor Mendel in the 1860's. One of these principles, now called Mendel's law of segregation, states that allele pairs separate or segregate during gamete formation
Created by: betancourtjessie
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