evolution - Why is polyploidy lethal for some organisms while for ...
Feb 7, 2012 · Polyploidy is the multiplication of number of chromosomal sets from 2n to 3n (triploidy), 4n (tetraploidy) and so on. It is quite common in plants, for example many crops like …
Why is polyploidy much more common in plants than in animals?
Nov 6, 2016 · Polyploidy is common in plants than in animals because in animals sex determination mechanism involves number and type sex chromosomes. Polyploidy will …
Speciation by polyploidy - Biology Stack Exchange
Speciation can occur by polyploidy. My understanding of the process is as follows: 'polyploidy is when the number of chromosomes in an organism's cell doubles. This means that the …
How does allele dominance work in polyploid organisms?
Dec 16, 2017 · Dominance works in the same way. However, polyploids have complex inheritance patterns! 1. Punnett square for polyploid inheritance One might assume that you …
Newest 'polyploidy' Questions - Biology Stack Exchange
May 15, 2024 · Why is polyploidy much more common in plants than in animals? [duplicate] There are very few animals with polyploidy like salamanders. Why is it that polyploidy is so …
How do we know for sure that Morus nigra (black mulberry) is ...
May 15, 2024 · Wikipedia's Polyploidy and Morus nigra; Description both point out that Morus nigra or black mulberry is tetratetracontaploidic and cite two sources that both point to a third …
Why does polyploidy give an evolutionary advantage?
Another example of benefits from polyploidy, this time not in an evolutionary, but in a more individual context, is the fenomenon called hybrid vigor or heterosis. Heterosis is a …
Polyploidy, or why plants of different species can produce fertile ...
Feb 26, 2018 · Chromosomal doubling (polyploidy) occurs more frequently in plants and facilitates the fertility of the hybrid offspring. Outcomes of the successful hybridization of different species …
an umbrella term for homeolog and ohnolog? - Biology Stack …
Oct 15, 2018 · Is there a word that refer to homologous chromosomes within a polyploid species? If I have AABB species, what is A to B? The words "homeolog" and "ohnolog" are reserved for …
Are free-nuclear division and endomitosis the same?
Mar 25, 2015 · Edit: If you check the definition above, you can see that free-nuclear division is a mitosis without cytokinesis, thus chromosome separation still occurs. In endomitosis the can …
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