Answer:
The mean weight of the progeny is
grams
Explanation:
Given -
Mean fruit weight of tomato plant (M1)
g
Narrow sense heritability (h2)
g
Mean weight of tomato plant selected for artificial selection (M0)
g

Substituting the given values in above equation, we get -

The mean weight of the progeny is
grams
All the options are correct.
1. New ways to preserve and transport blood for blood transfusions were discovered.
2. Blood transfusion safety was improved.
3. Scientists discovered that elements of blood could be separated by centrifuge.
4. Scientists discovered that plasma could be preserved by freezing.
Karl Landsteiner
Karl Landsteiner was the man who discovered some of the human blood types in 1900 and 1901 at the University of Vienna.
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