The Two Main Human Blood Group Systems Are the ABO

question 8

Multiple Choice

The two main human blood group systems are the ABO and Rhesus (Rh) systems. According to the information of the American Red Cross ( "https://www.redcrossblood.org") , Rhesus Negative blood type is more rare than Rhesus Positive. A Researcher wants to know if the proportion of people with Rh (-) is equal for each ABO human blood type. To exclude the spread of people through the different ABO types, the researcher generates 10 random samples of equal size (100 people) for each of the ABO types, and draws attention to the number of people with RhD(-) .The summary results of the blood test are represented in the table below. ​ Chose the correct null and alternative hypotheses statements for the F-test.

• A)The null hypothesis is , and the alternative is H_α:all p are equal.
• B)The null hypothesis is , and the alternative is H_α: all μ are equal.
• C)The null hypothesis is , and the alternative is H_α: at least two of p's are different.
• D)The null hypothesis is , and the alternative is H_α: at least two of μ's are different.

Comprehend the process of transpiration and its significance for plants.

Identify the role of hormones in leaf abscission.

Understand the difference between guttation and transpiration in plants.

Explain the mechanisms through which plants defend themselves against herbivores using modified leaves.