Question

a heterozygous tall plant with round seed and a homozygous drawf plant with wrinkled seed ...using punneet square find the genotypic and phenotypic of f2 generation ​

Answer 1

Answer:

Explanation:

http://opentextbc.ca/biology/wp-content/uploads/sites/96/2015/02/Figure_08_02_01.jpg

Answer 2

Answer:

The oxygen enters the bloodstream from the alveoli, tiny sacs in the lungs where gas exchange takes place (Figure below). The transfer of oxygen into the blood is through simple diffusion. ... While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries.