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The DNA segments that carry this genetic information are called genes, and their location within the genome are referred to as genetic loci, but other DNA sequences have structural purposes, or are involved in regulating the use of this genetic information.
4 lut 2008 · Homologous genes or chromosomal regions are similar because they share a common ancestor, but finding the closest homolog may be inferred only by finding homologs within regions containing a similar pattern of gene content. If these best homologous DNA sequences are from different organisms, they are called orthologs (with some
19 paź 2020 · Here, we describe how plant genomes have been harnessed for studies of plant phylogeny and diversification, with examples spanning all green plants, a clade of nearly half a million species spanning nearly a billion years of evolutionary time.
The sequences that are translated into proteins that influence cell and plant growth are called genes. In corn, for example, the sucrose manufactured in the leaves through photosynthesis is transported through the phloem to the ear and into the developing seed or kernel.
2 lut 2021 · This review discusses the features of cis-regulatory sequences in plants, technologies enabling their identification, characterization, and validation, their organization into functional cis-regulatory modules, their genomic distributions with respect to target genes, and the role of transposable elements in their evolution.
3 cze 2024 · Here, we present activities to introduce some of the basic concepts of plant DNA and sequencing data to explore the curriculum topics of evolution, inheritance and variation, and bioinformatics. Students extract genetic material and explore the process of assembling genome sequences.
17 wrz 2024 · Gene variants that arise by mutation and exist at the same relative locations on homologous chromosomes are called alleles. Mendel examined the inheritance of genes with just two allele forms, but it is common to encounter more than two alleles for any given gene in a natural population.
