Explique por qué a los protistas se le consideran un grupo polifilético-

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

What tool do geneticists use to predict the outcome of genetic crosses? a. karyotype b. punnett square c. centrifuge