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Homeobox
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A homeobox is a DNA sequence, around 180 base pairs long, that regulates large-scale anatomical features in the early stages of embryonic development. Mutations in a homeobox may change large-scale an
Drosophila with the antennapedia mutant phenotype exhibit homeotic transformation of the antennae into leg-like structures on the head.
Drosophila with the antennapedia mutant phenotype exhibit homeotic transformation of the antennae into leg-like structures on the head.
Mutation
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In biology, a mutation is an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA. Mutations result from errors during replication, mitosis, meiosis, or
Homeobox
…antennapedia—replacement of the antenna on the head of a fruit fly with legs. The "homeo-" prefix in the words "homeobox" and "homeodomain" stems from this mutational phenotype, which is observed when some of these genes are mutated in animals. The homeobox domain was first identified in a number of Drosophila homeotic and…
A red tulip exhibiting a partially yellow petal due to a somatic mutation in a cell that formed that petal
A red tulip exhibiting a partially yellow petal due to a somatic mutation in a cell that formed that petal
A mutation has caused this moss rose plant to produce flowers of different colours. This is a somatic mutation that may also be passed on in the germl
A mutation has caused this moss rose plant to produce flowers of different colours. This is a somatic mutation that may also be passed on in the germline.