Homologous chromosomes are similar in:

Explanation:

Homologous chromosomes are characterized because they have information for the same characters; that information may be the same or different, since one chromosome comes from our father and the other from the mother. These factors that may contain the same or different information about a character are called alleles.

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects