Who is a carrier of an X-linked trait?
A. Homozygous dominant female
B. Heterozygous female
C. Homozygous recessive female
D. Homozygous male
E. Heterozygous male
Answer: B
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Fill in the blank(s) with the appropriate word(s).
If the secondary oocyte is not fertilized, it does not complete meiosis II.
Answer the following statement true (T) or false (F)
A proto-oncogene that gains function due to amplification, translocation to a more transcriptionally active area of the genome, or a mutation that causes either an increase in function or the suppression of down-regulation, is
A) a pseudo-oncogene. B) recessive. C) dominant. D) an oncogene. E) C and D only
Suppose you discover a new species of animal that does not have body segments, but is triploblastic, eucoelomate, and cephalized. Under the molecular phylogenetic scheme, you would allocate it to which phylum?
A. Echinodermata. B. Nematoda. C. Mollusca. D. Platyhelminthes. E. Arthropoda.