________ is a syndrome that occurs in females who have only a single X chromosome (XO)
Fill in the blank(s) with correct word
Turner syndrome
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Albinism in most animals is an epistatic trait characterized by a lack of melanin pigment in the eyes, skin, and hair. If the allele for albinism is a, the allele for brown coat color is B, and the allele for red coat color is b, which of the following genotypes would result in an albino cow?
A. AaBb B. aaBB C. aabb D. Aabb E. aaBB and aabb
Answer the following statements true (T) or false (F)
1. All diseases caused by Rickettsia spp. are arthropodborne. 2. Viruses contain both DNA and RNA. 3. The cell walls of archaeans contain a thicker layer of peptidoglycan than bacterial cell walls. 4. On entering a bacterial cell, all bacteriophages immediately initiate the lytic cycle. 5. Mycoplasmas cannot grow on artificial media.
Which of the following is NOT an outcome of neurulation?
A. establishment of cells that will form future pigment cells and certain facial bones B. establishment of the central nervous system C. establishment of the neural crest D. establishment of the archenteron E. establishment of somites
In which category of media would MacConkey agar best fit?
a. Selective b. Differential c. Selective and differential d. Supportive only