For such an awful genetic disorder where painful symptoms appear early and continue through out a patient’s life, you would think natural selection would have eliminated it from the population a long time ago. But the sad truth is that natural selection keeps sickle cell anemia in the population.

Fill in the gaps with the correct prepositions. Choices: an, auf, in, von, für. Er hat sich [1] sie verliebt. Ich habe lange [2] meine Eltern gewartet. Sie nimmt [3] diesem Kurs nicht teil. Wir interessieren uns sehr [4] Fremdsprachen. Das hängt [5] meinen Noten ab.

Read the questions below and determine the correct pronouns based on genders of names and nouns. Fill in the gaps in the answers with the appropriate pronouns. Pay attention to the word order. Example: Hast du deiner Schwester die Blumen gebracht? – Ja, ich habe sie ihr gebracht. ————————— Hast du Ulrike Kaffee eingeschenkt? – Ja, [1] habe [2] [3] eingeschenkt. Könnt ihr mir die Zeitung geben? – Ja, [4] geben [5] [6] gern. Hat Ulrike auch Thomas eingeladen? – Ja, [7] hat [8] auch eingeladen. Bringst du Anna unser Geschenk? – Ja, [9] bringe [10] [11].

Tony Allison’s family would often take trips to Malindi in August when temperatures were cooler. Where is Malindi?

On average, sickle cell patients with good medical care live _________ less than those without the disease.

Before modern medical intervention, what happened to most children born with the HbS HbS genotype?

What are the chances that when your breed two pink snapdragons, you get a red offspring?

How many species of the Plasmodium parasite cause malaria?

Will any erythrocytes of a person with the HbA HbS genotype sickle during severe hypoxia?

Where did Tony Allison grow up?