Marfan syndrome is the result of inheriting a single allele. Individuals with Marfan syndrome are tall and long-limbed, and have both cardiovascular and eye defects. Of what type of inheritance is the phenotype of Marfan syndrome an example?
A) codominance
B) homozygous recessive
C) pleiotropy
D) incomplete dominance
C
Biology & Microbiology
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In Caenorhabditis elegans vulval development, the fate of the progenitor cells is dependent on their proximity to the ____ cell, which secretes epidermal growth factor
Fill in the blank with the appropriate word.
Biology & Microbiology
T cells mature in the
A. bone marrow. B. thymus. C. Peyer's patches. D. nervous tissue.
Biology & Microbiology
Which process is responsible for the evolution of mitochondria and chloroplasts in eukaryotes?
a. endosymbiosis b. conjugation c. transformation d. transduction
Biology & Microbiology
Skeletal muscle makes up about __________ percent
of the weight of an average person. a. 10 b. 20 c. 30 d. 40 e. 50
Biology & Microbiology