Human red blood cells are formed mainly in the bone marrow and are believed to have an average life span of approximately 120 days<span>.</span>
<span>The correct answer is D. Micromanipulation allows interaction with precision. This is done under a microscope. With micromanipulation, in-vitro fertilization has come true, and is helping thousands of parents to become parents.</span><span />
Answer:
The first one
When pulling a tree from the ground
1. the inheritance of each gene is determined by the units that are passed down 2. an individual will get one unit from each of their parents
3. a trait may not show up on an individual but it can still be passed on to a descendant
Up to 30,000 kelvins (or 53,540 degrees Fahrenheit)
