You perform a test cross of the dihybrid aabb with a double homozygous aabb, and you score the phenotypes of 1000 progeny. if genes a and b are completely genetically linked (i. e., no recombination between loci), what offspring counts do you expect to observe? all 1000 with the ab phenotype. all 1000 with the ab phenotype.250 with the ab phenotype, 250 with the ab phenotype, 250 with the ab phenotype, and 250 with the ab phenotype. all 1000 with the ab phenotype500 with the ab phenotype, and 500 with the ab phenotype.

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell