All of the spores used for this study were produced by a heterozygotic sporophyte. We will designate two alleles at the gene for the polka-dot trait, one dominant (D) and one recessive (d). One of these alleles will code for the polka-dot phenotype and the other will code for green phenotype...
gain water and nutrition? the sporophyte of mosses depend on the gametophytes for water and nutrition. in seed plants, the reverse is true. from which seed plant sporophyte structure do the immature gametophytes directly gain water and nutrition?
a. sporophylls
b. embryos
c. sporangia
d...