All Questions
8 questions
1
vote
0
answers
36
views
Did the chromosomal fusion within humans affect phenotypical change compared to the separated chromosomes in the other apes?
I just read this article on the evolutionary divergence between humans and chimps, and how the most significant event was when the 24 number of chromosomes in chimps was reduced to 23 in humans due to ...
3
votes
2
answers
463
views
Human ancestor reproduction after chromosome fusion
I read somewhere that human chromosome 2 is the result of 2 primate chromosomes fusing together somewhere along our evolutionary journey. This is why we have 23 chromosomes while other primates have ...
- 31
8
votes
1
answer
18k
views
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 uncommon in animals? On the other hand there are numerous examples of polyploid plants. If ut something to ...
- 3,707
0
votes
2
answers
130
views
how did we breed after the fusion ? and why can't we bread with chimps? [closed]
after the chromosome fusion happened to one of our ancestors, how did he breed ? if he was allowed to breed because the chromosomal differences were still not very big back then, why can donkey and ...
4
votes
1
answer
380
views
Definition of "structural underdominance"?
In Stathos and Fishman (2014), the authors refer to the concept of structural underdominance. The first time they mention it is in the first paragraph of the second page (left column) and the term is ...
- 68.3k
4
votes
1
answer
139
views
How are new chromosomes replicated into the next generation via sexual reproduction?
If an individual has a new chromosome, which is very unlikely to happen, he will not have any luck in finding a sexual partner with this same trait. How will the offspring inherit this trait. And ...
- 143
5
votes
3
answers
4k
views
Chromosome 2 fusion?
I read this article by Jeffrey Tomkins and Jerry Bergman claiming to debunk chromosome 2 fusion. Is there anything wrong with these conclusions?
" 1.The reputed fusion site is located in a peri-...
- 51
16
votes
4
answers
61k
views
Evolutionarily speaking, why do humans have 46 chromosomes
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Monkeys, chimpanzees, and Apes have 24 pairs (twenty-four pairs), for a total of 48.
What caused humans to have 46?
...
- 4,539