A person who is homozygous recessive at a locus has which of the following?
a. two copies of the recessive allele
b. two copies of the dominant allele
c. an autosomal trisomy
d. a recessive allele on the X chromosome only
e. a recessive allele on the Y chromosome only
a
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In 2010, a small finger bone recovered in a Siberian cave led to the discovery of ________, an entire genome of a previously unknown and extinct lineage of humans.
A. Homo denisova B. Homo habilis C. Homo antecessor D. Homo erectus
Rites of passage
A) are found only in societies that have age grades. B) are rewards for good behavior. C) are unknown in our society. D) mark the assumption of new social roles. E) celebrate voyages.
Foragers have varied and healthy diets and work fewer hours than people in other forms of production
a. True b. False Indicate whether the statement is true or false
Archaic H. sapiens usually have __________
a. H. erectus size cranial capacities b. robust supraorbital tori c. more gracile bones than H. erectus d. limb proportions similar to A. robustus