When Mendel crossed plants and followed two traits (a dihybrid cross), he saw a 9:3:3:1 ratio of traits in the F2 generation. What did he conclude?
A) The two traits affect each other's transmission.
B) Dominant traits are always more common than recessive ones.
C) The transmission of one trait is unaffected by the other.
D) In meiosis, one allele of each gene is passed to each gamete.
Answer: C
You might also like to view...
Opsonizing antibodies are those that function by:
a. attaching to the surface of pathogens and contributing to their destruction by the lytic action of complement. b. binding to and blocking surface receptors for host cells. c. attaching to the surface of pathogens and making the pathogens more amenable to ingestion by phagocytic cells. d. attaching to the surface of pathogens and contributing to their destruction by che-motaxis.
Men rarely become infected with Trichomonas vaginalis because the male reproductive tract lacks the appropriate receptors and has a pH unfavorable for Trichomonas.
Answer the following statement true (T) or false (F)
The wobble base of a tRNA is
A) the 5? base of the anticodon. B) the 3? base of the anticodon. C) the 5? base of the codon. D) any base in the anticodon.
When we watch Olympic athletes perform, we are admiring the expert control of which systems working together?
A. skeletal, endocrine, and circulatory systems B. muscular, integumentary, and circulatory systems C. nervous, circulatory, and skeletal systems D. nervous, muscular, and skeletal systems