Answer:
The alveolar membrane- is where gas exchange between the blood and the atmosphere takes place. The gas molecules must diffuse across the alveolar epithelium and the capillary endothelium. ... Thus, the alveolar surface (as well as the respiratory bronchioles) have no cilia or mucus layer.
Explanation:
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I believe that the answer is B.
Answer:
1) genetics
2) gregor mendel
3) easy to grow, can be shown year, used for similar studies
4) we are the parents produce offspring that would carry the same phenotype
5) he removed the anthers from the flowers
6) a trait or character is a feature of an organism.
7) the basic physical and functional unit of heredity
8) one of the possible forms of a gene
9) the offspring resulting from combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction.
10) “P” for parental generation.
11) F1 generation refers to the first filial generation
12) F2 second filial generation consists of the offspring from allowing the F1 individuals
13) The dominant allele is the one that gets expressed.The recessive allele is still there, it just isnt shown.
this is the first page
