The first primates with an angled skull base that were probably able to make a wide range of sounds to aid speech were
A) Homo habilis.
B) Homo erectus.
C) Homo afarensis.
D) Homo sapiens.
B) Homo erectus.
Biology & Microbiology
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If one pair of alleles exhibits simple dominance
while the other pair exhibits incomplete dominance, the F2 phenotype produced from a cross of AA BB with aa bb will produce a __________ ratio. a. 1:1:1:1 b. 9:3:3:1 c. 1:4:6:4:1 d. 1:2:1 e. 3:6:3:1:2:1
Biology & Microbiology
What are the three types of bone cells?
What will be an ideal response?
Biology & Microbiology
The first commercial product made with recombinant DNA techniques was ____________________. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
Entry of a virus into the lytic cycle after lysogeny has been established is called ________.
A. induction B. lysogenic conversion C. lysogenic reversion D. None of the choices are correct.
Biology & Microbiology