The first Drosophila segmentation genes to act are the __________, which begin organization of the
body into regions.
a. pair-rule genes
b. segment polarity genes
c. gap genes
d. homeotic genes
e. maternal effect gene
C
Biology & Microbiology
You might also like to view...
Large spherical cells of cyanobacteria that are able to fix atmospheric nitrogen are referred to as ________.
A. heterocysts B. nitrocysts C. microcysts D. oocysts
Biology & Microbiology
A ________ rate measures the number of individuals who become ill as a result of a specific disease within a susceptible population during a specific time period.
A. index B. mortality C. prevalence D. morbidity
Biology & Microbiology
Which system is aided by the digestive system's absorption of calcium, potassium and sodium?
a. muscular system b. urinary system c. endocrine system d. skeletal system e. sensory system
Biology & Microbiology
daughter cells are
What will be an ideal response?
Biology & Microbiology