Answer:
B
Explanation:
This is because the original male is not affected by the disease. In the second generation they have a female child who is a carrier of the disease because she passes it down to her son, but she is not affected. Seeing how all males that carried the disease were affected at some point the disease must lay dormant in female carriers but not males. This means the original father cannot be a carrier of the disease. Hope this helps!
Introduced species can harm our planet because in some regions of the world we are not prepared for their type of species, which can all in all cause damage.
100%, they should all have ff genes :3
The walnut tree's seeds are ingested by an animal and then deposited somewhere else through that animal's feces. The maple tree disperses the seeds by wind. The wind can carry the seeds far distances.
Answer:
Antonie van Leeuwenhoek used single-lens microscopes, which he made, to make the first observations of bacteria and protozoa. His extensive research on the growth of small animals such as fleas, mussels, and eels helped disprove the theory of spontaneous generation of life.
Explanation:
