Animal diversity is due to variations in the expression of ancient genes in addition to the evolution of new and different genes.
Answer the following statement true (T) or false (F)
True
It is true that animal diversity is due to variations in the expression of ancient genes in addition to the evolution of new and different genes.
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In corn, having ligules (L) is dominant to liguleless (l), and green leaves (G) is dominant to white leaves (g). If a pure-breeding plant that is liguleless and has green leaves is crossed to a pure-breeding plant with white leaves and ligules, predict the genotypes and phenotypes of the F1.
A) LL GG, green and ligules B) Ll GG, green and ligules C) Ll Gg, green and ligules D) ll gg, white and liguleless E) Ll gg, green and liguleless
In pedigree charts, if both parents are carriers of an autosomal recessive disorders, typically the disorder will
A. occur every third generation. B. appear in every generation. C. seem to disappear in one generation, only to reappear in the next generation. D. appear only in females. E. appear only in males.
A nauplius larva is characteristic of:
a. molluscs. b. gastropods. c. echinoderms. d. crustaceans. e. ctenophores.
Of the following, which group exhibits a diverse morphology, forming unicells, filaments, and sheets?
a. diatoms b. euglenoids c. green algae d. brown algae e. dinoflagellates