Campbell Biology 12th Edition- Chapter 21 낱말 카드 | Quizlet

Repetitive DNA sequences

Probably arose from mutations in DNA replication or recombination

Genomics

Study of sequenced genes and their interactions

Pseudogenes

Former genes that have accumulated mutations over time and no longer produce functional genes

Repetitive DNA

Most DNA between functional genes consist of sequences that are present in multiple copies of a genome

Transposable Elements

Stretches of DNA that can move from one location to another within a genome; can contribute to evolution of genome

Transposition

Process of moving a gene within a genome by means of DNA intermediate

Retrotransposons

Made by RNA intermediate that is a transcript of retrotransposons DNA

Alu Elements

Related to transposable elements; very short sequences and many are transcribed into RNA

Simple Sequence DNA

Stretches of DNA, mainly copies of tandemly repeated short sequences

Short Tandom Repeat (STR)

When unit contains 2-5 nucleotides in a series that repeats

Multigene Families

Collections of 2 or more identical or very similar genes

Highly Conserved Genes

Genes that have remained pretty similar in distantly related species

Single Nucleotide Polymorphism (SNPs)

Single base pair site where genetic variation is found

Home Box

180 nucleotide sequence within informative genes and some other developmental genes that is widely conserved in animals

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