What "most closely related to" means in phylogenetic trees?
Mar 11, 2024 · The phylogenetic trees are constructed based on a model that links observations with an ancestral relationship. So I think you need to specify which evolutionary sequence …
What is the difference between a species tree, a gene tree and a ...
Nov 5, 2016 · Phylogenetic tree A phylogenetic tree is a tree showing relationship between lineages. These lineages might be computed for genome-wide DNA or from only a single …
Why are 3 nucleotides used as codons for amino-acid mapping in …
10 The central dogma of molecular biology: DNA makes RNA makes Protein DNA is a reference for proteins*, which are the functional molecules in cells. These are comprised of 20 unique …
How likely is a lack of DNA match with a distant relative?
Apr 12, 2021 · 24 How likely is a lack of DNA match with a distant relative? I have recently gotten interested in ancestry research and have had a DNA analysis performed by a prominent …
proteins - Pros and cons of amino acid structure vs DNA …
Aug 9, 2017 · Any input is greatly appreciated! Question: What do you see as the strengths and weaknesses of using amino acid structure of proteins for evolutionary analysis? In your …
Creating a Phylogenetic tree using DNA sequences [closed]
I was wondering given DNA samples, how can we create a phylogenetic tree? I mean I don't even want to have actual DNA sequence. Can I generate small samples, like reads of a length 100 …
Do any diploid organisms skip DNA replication and undergo only …
Mar 7, 2025 · In diploid organisms like humans, germ cells typically undergo DNA replication before meiosis. This is followed by two rounds of cell division (meiosis I and II), ultimately …
Online phylogenetic tree of human lineages - Biology Stack …
Nov 22, 2016 · Note that the structure of the human evolutionary tree depends on the kind of markers that are considered, male and female lineages don't necessarily have the same …
genetics - Do plants have distinctive DNA genomes from each …
Mar 23, 2016 · 3 Can exact same species of plant have a distinct genome from others of same exact species growing nearby or in a different place/country etc. ? Can a leaf be traced to the …
How does plant grafting work? - Biology Stack Exchange
For example, grafting a piece of a lemon tree into a bitter orange tree will cause that tree to produce lemons instead of oranges for the rest of its life. How does this work? I mean, at the …