If ancient volcanoes gave off the same gases, which gas would have been most helpful in the development of early life-forms that could carry out photosynthesis? A. Chlorine
B. Nitrogen
C. Sulfur Dioxide
D. Carbon dioxide

In sweet pea, gene c is responsible for color production and gene p is responsible for the purple color pigment. both of them are located on two different loci on different chromosomes. the flowers will be purple only when the plant has the genotypes as c_p_. no color will be produced with genotypes: ccpp, ccpp, ccpp, ccpp. thus, gene c controls the expression of gene p. what pattern of inheritance is exhibited here? a. pleiotropy b. epistasis c. multiple alleles

Matched chromosomes carrying information about the same characteristics in the organism are called

Which is the most likely reason the writer of the play pygmalion chose to change the character of galatea from a statue to working-class woman?