Although T4 encodes over 250 proteins, it does not encode its own RNA polymerase
Indicate whether the statement is true or false.
Answer: TRUE
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A variation of the PGD method, called ____________________, can test for genetic disorders in the egg before fertilization
Fill in the blank(s) with correct word
In humans, having dimples in the cheeks is a dominant trait. If a child has dimples but only one of her parents does, what are the genotypes of her parents? (D = dimples; d = no dimples)
A. One parent dd, other parent DD B. One parent dd, other parent Dd C. One parent Dd, other parent DD D. One parent must be DD, the other parent could be either dd or Dd E. One parent must be dd, the other parent could be either Dd or DD
In general, mammals are not good at dispersing chili plant seeds because
a. the seeds die as they pass through the digestive tract. b. the mammals do not travel very far before they release the chili seeds. c. the chili seeds do not stick to the mammals' fur. d. chili seeds are dispersed mainly by the wind. e. the mammals are the main pollinators for the chili plant.
In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males
In this case, the sperm appear to be used only for _____. A) morphogenesis B) egg activation C) cell differentiation D) the creation of a diploid cell