Answer:
may be
the discovery of new evidence
Explanation:
Accepted theories may be modified or overturned as new evidence and perspective emerges. Scientists are likely to accept a new or modified theory if it explains everything the old theory did and more. The process of theory change may take time and involve controversy, but eventually the scientific explanation that is more accurate will be accepted.
The foetus is not protected from many diseaseslike poliomyelitis,typhoid,tetanus,measles etc.
A few various areas which differ from each other
- Prophase i has homologous chromosomes involved whereas Phrophase ii has individual chromosomes involved
- Phrophase i only occurs in diploid cells whereas ii occurs in haploid cells
These are the only important points I can differentiate them with. Hope it helps :)
Answer:
Alternate form of gene
Explanation:
An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent.