How does reproductive isolation affect the gene pools of two or more populations?

Explain how mendel kept his pea plant from self pollination

The image shows a sandstone formation with visible bands of different colors. what do the bands indicate about how this sedimentary rock was formed? choose two answers. a). the rock was made from more than one material. b). water was absent during the compaction and cementation process. c). sediments and other matter were deposited in layers before lithification. d). the rock was stretched horizontally by the pressure from surrounding rocks. e). layers of hot liquid in the rocks cooled and solidified at different tempatures

Acuvu time remaining 51: 04 there are two different alleles for flower color, p and p. the image shows a purple sweet pea that is labeled with its two alleles for petal color photo by christine matthews pp which is the genotype of the sweet pea? save and exit nex subs mark this and retum