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An image of multiple chromosomes, taken from many cells. Plant genetics is the study of genes, genetic variation, and heredity specifically in plants. [1] [2] It is generally considered a field of biology and botany, but intersects frequently with many other life sciences and is strongly linked with the study of information systems.
Male and female sex-biased genes of A. thaliana have major differences in expression and function. [3] Male genes expressed in the pollen tube regions of the plant struggle in the initiation of protein evolution. [3] This is the result of newly developed mutations being acted upon by positive selection. [3]
Arabidopsis, unlike other plants' genomes (e.g. Malus) has convenient traits, such as a small nuclear genome (135Mbp) and a short generation time (8 weeks from seed to seed). The genome has five chromosomes reflecting approximately 4% of the human genome size. The genome was sequenced and annotated by the Arabidopsis Genome Initiative (AGI).
Genes are like sentences made of the "letters" of the nucleotide alphabet, between them genes direct the physical development and behavior of an organism. Genes are like a recipe or instruction book, providing information that an organism needs so it can build or do something - like making an eye or a leg, or repairing a wound.
Genetic analysis can be used generally to describe methods both used in and resulting from the sciences of genetics and molecular biology, or to applications resulting from this research. Genetic analysis may be done to identify genetic/inherited disorders and also to make a differential diagnosis in certain somatic diseases such as cancer .
Genomics is an interdisciplinary field of molecular biology focusing on the structure, function, evolution, mapping, and editing of genomes.A genome is an organism's complete set of DNA, including all of its genes as well as its hierarchical, three-dimensional structural configuration.
A model system for studies in evolution of plant development 198 Mbp 29,458 8 Max Planck Institute for Plant Breeding Research, Köln, Germany 2016 [66] Shotgun sequencing strategy, combining paired end reads (197× assembled sequence coverage) and mate pair reads (66× assembled) from Illumina HiSeq (a total of 52 Gbp raw reads).
In terms of genetics, evolvability is the ability of a genetic system to produce and maintain potentially adaptive genetic variants. There are several aspects of genetic architecture that contribute strongly to the evolvability of a system, including autonomy, mutability, coordination, epistasis, pleiotropy, polygeny, and robustness.