Answer:
The character of sickle cell anaemia does not get fixed in the population Because it has more disadvantages than advantages
Explanation:
Any character will get fixed in the population if the character provides the progeny certain advantage to reproduce better.The rate of malaria infection is low, but such people may have breathing difficulties and organs may fail due to the wrinkled RBC's not able to flow smoothly in the arteries and hence causing blockages. the character may be recessive but again the amount of oxygen carried per healthy RBC is less and that makes breathing difficult . so as a character its a disadvantage for the person who is a career and hence not being selected to be fixed.
The number indicates the number of atoms of each element in a molecule of a substance is the script number to the right of the element indicates the number of atoms. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
Answer:
grass, grasshopper, frog, snake, fox, mountain lion
Ответ:
Огонь. Образуется, когда вещество подвергается быстрому окислению с участием тепла и света.
Answer: The observation clearly shows that certain behaviors are genetically controlled
Explanation:
From the observation, the Fishers bird uses long strip while the Peach-faced uses short strips and there offspring uses intermediate. It is an indication that the behavior of the length of strips cut by the bird is under genetic control and it can also be concluded that both the Fisher bird or Peach-face bird does not have complete dominance over length of strips cut for nest making.