In horses, black coat color is influenced by the
dominant allele (B), and chestnut coat color by the
recessive allele (b). Trotting gait is due to a dominant
gene (T), pacing gait to the recessive allele (t). What
color horse would you use to find out the genotype
of a black trotter? Give the genotype and phenotype. What will be an ideal response?
Answer: bb tt, chestnut pacer
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All tissues and organs of an adult animal arise from
three primary tissue layers, or germ layers that form in early embryos: __________, __________, and __________ into blood. Fill in the blank(s) with the appropriate word(s).
Which two of the following are components of the human holobiont?
a. Candida yeast b. ringworms c. rabies virus d. the human body
Identify three functions of proteins other than enzymes and briefly discuss or describe each. What will be an ideal response?
Whisk ferns, club mosses, and horsetails have all the following characteristics in common with ferns except:
A. all of these plants are seedless tracheophyte plants. B. all of these plants produce flagellated sperm. C. all of these plants form antheridia and archegonia. D. all of these plants require free water for the process of fertilization to occur. E. all of these plants have no vascular tissue.