Answer:
yes
Explanation:
an example being finches from the Galapagos
Answer:
Option C. The lungs.
Explanation:
Alveolis are the air sacs in the lungs which main function is to get oxygen into your bloodstream and carbon dioxide leaves the blood.
The alveolis are located in the lungs, and it's where the respiratory and circulatory systems meet, for the reasons stated before.
Therefore, the correct option is Option C.
Answer:
25%
Explanation:
From the description;
The parents: half shaded circle and square = heterozygous parents
The offspring:
unshaded square = homozygous normal
half shaded circle = heterozygous normal
half shaded circle = heterozygous normal
completely shaded square = affected (homozygous abnormal)
The unshaded and half shaded offspring are normal and do not have sickle cell anemia. The completely shaded square represents a male offspring with sickle cell anemia.
<em>Out of 4 offspring, 1 is affected for sickle cell anemia. Hence the percentage of the offspring that have sickle cell anemia is 25%.</em>
Deletion is the correct choice
