A homoplasy is a shared character between two or more animals that did not arise from a common ancestor . A homoplasy is the opposite of a homology, where a common ancestor provided the genes that gave rise to the trait in two or more animals.
Which of the following is an example of homoplasy cell walls in plants and fungi?
Which of the following is an example of homoplasy? 1) Cell walls in plants and fungi. -plant cell walls are made of cellulose and fungal cell walls are made of chitin . Some beetles and flies have antler-like structures on their heads, much like male deer do.
Which of the following is an example of a Homoplasy?
A homoplasy is a character shared by a set of species but not present in their common ancestor. A good example is the evolution of the eye which has originated independently in many different species . When this happens it is sometimes called a convergence.
What is homoplasy quizlet?
Homoplasy is. character shared between two or more species that was not present in their CA . the key difference is. character state is not the result of common evolutionary descent.
What is homoplasy in genetics?
A homoplasy is a character shared across clades in a phylogeny that don't share direct ancestry , are an indication of inconsistency between the phylogenetic tree and the sequences used to build it.
What is used in Cladistics?
Cladistic methodologies involve the application of various molecular, anatomical, and genetic traits of organisms . ... For example, a cladogram based purely on morphological traits may produce different results from one constructed using genetic data.
What are Synapomorphic characters?
Synapomorphies are characters shared by a group of taxa due to inheritance from a common ancestor . Thus, their depiction on a cladogram may facilitate the understanding of evolutionary relationships.
What kinds of characters can you use to create a data matrix for estimating phylogenetic trees?
Phylogenetic trees represent hypotheses about the evolutionary relationships among a group of organisms. A phylogenetic tree may be built using morphological (body shape), biochemical, behavioral, or molecular features of species or other groups .
What are the causes of Homoplasy?
In the case of DNA sequences, homoplasy is very common due to the redundancy of the genetic code . An observed homoplasy may simply be the result of random nucleotide substitutions accumulating over time, and thus may not need an adaptationist evolutionary explanation.
Which of the following is an example of Homoplasy analogy )?
A homoplasy has an older, pre-Darwinian meaning of similarity explained by a shared way of life. For example, the wings of insects, birds and bats are all needed for flying: they are homoplasious structures in the non-evolutionary, as well as the evolutionary, sense. Figure: the wings of birds and bats are homoplasies.
What is the difference between homology and Homoplasy quizlet?
The main difference between homology and homoplasy is that homology refers to a similar character emerged by the common ancestry whereas homoplasy refers to a similar character that does not emerge from a common ancestor .
What is an analogous trait?
Analogous structures are traits shared by species that live in the same environment but are not related to each other .
What is heterozygosity in genetics?
(HEH-teh-roh-ZY-gus JEE-noh-tipe) The presence of two different alleles at a particular gene locus . A heterozygous genotype may include one normal allele and one mutated allele or two different mutated alleles (compound heterozygote).
What is the difference between Homoplasy and analogy?
is that homoplasy is a correspondence between the parts or organs of different species acquired as the result of parallel evolution or convergence while analogy is a relationship of resemblance or equivalence between two situations, people, or objects, especially when used as a basis for explanation or extrapolation.
What is Phenetics and cladistics?
Cladistics can be defined as the study of the pathways of evolution . Phenetics is the study of relationships among a group of organisms on the basis of the degree of similarity between them, be that similarity molecular, phenotypic, or anatomical. ...
What is a cladistics system?
Cladistics describes evolutionary relationships and places organisms into monophyletic groups called clades , each consisting of a single ancestor and all its descendants.
