Answer:
Sometimes, there can be random fluctuations in the numbers of alleles in a population. These changes in relative allele frequency, called genetic drift, can either increase or decrease by chance over time. ... Genetic drift can result in the loss of rare alleles, and can decrease the size of the gene pool.
Answer:
The main difference between chromatin and chromosome is that chromatin consists of the unravelled condensed structure of DNA for the purpose of packaging into the nucleus whereas chromosome consists of the highest condensed structure of the DNA doublehelix for the proper separation of the genetic material between daughter cells.
OSTEOARTHRITIS,
OSTEOARTHROSIS, or
DEGENERATIVE ARTHRITIS
Echinoderm larvae are bilaterally symmetrical which indicates that echinoderms probably evolved from bilaterally symmetrical ancestors
