30 Objectives for Exam #1: Describe and complete a monohybrid (âone traitâ) cross of corn kernel color, including three generations (P, F1, and F2). Define the following genetics terms: dominant, recessive, genotype, phenotype, gene/allele, homozygous, and heterozygous.
Size-wise, the Trident is a little larger than a Microsoft Xbox One or a Sony PlayStation 4. The 13.6x9.2-inch chassis is easy to fit on a shelf or in a TV cabinet, as itâs just 2.8 inches tall when lying down.
Strongylocentrotus droebachiensis Facts. 1  Green sea urchin or Strongylocentrotus droebachiensis is named so because of its greenish color. It is an inhabitant of cold oceans- in the Northern part of the Atlantic and Pacific. 2  The average size of a grown up green sea urchin is 4.5 cm to 5.3 cm (1.8 to 2 in). The biggest one ever recorded has a diameter of 8.7 cm or 3.4 in. That diameter is measured without calculating the length of the spines. The size is depended on the availability of food and density of predators.