The hemoglobin S allele causes sickle-cell anemia. It occurs in high frequencies
A) where pastoralism is common.
B) where drift has been strong.
C) where malaria is common.
D) where hemoglobin is rare.
Correct Answer:
Verified
Q25: If the frequency of an allele is
Q26: Lactase persistence is controlled by
A) variation at
Q27: Variation may exist because environments have recently
Q28: Researchers looking for signs of recent natural
Q29: A balanced polymorphism is a
A) balance between
Q31: Variation among groups at a single locus
Q32: Monozygotic twins are
A) twins derived from two
Q33: Selection can maintain variation within populations if
Q34: Variation among groups at a single locus
Q35: Heritability is the
A) percentage of a trait
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents