Electroporation is commonly used to introduce recombinant DNA molecules into cells.
Answer the following statement true (T) or false (F)
True
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The empiric risk to a family member of an affected individual developing a disorder caused by a multifactorial trait
A) decreases with severity of the disorder. B) increases with fewer affected family members. C) decreases in larger families. D) increases with increasing relatedness to affected individuals.
The energy source for the process of photosynthesis is
A. carbon dioxide. B. sunlight. C. oxygen. D. chlorophyll. E. glucose.
Browsing through a seed catalog, you are tempted to order several beautiful floral varieties but worry that you will spend too much on your garden every year. Which plants should you buy?
A. Woody perennials, which require little space and few resources B. Biennials, which will last twenty years before they die C. Annuals, which will come back year after year D. Herbaceous perennials, which will come back year after year
Which of the following statements about the benefits of sexual reproduction is false?
(a) Sexual reproduction permits enhanced survival because the gametes that carry alleles enhancing survival in harsh environments are used preferentially during fertilization. (b) Unicellular organisms that can undergo sexual reproduction have an increased ability to adapt to harsh environments. (c) Sexual reproduction reshuffles genes, which is thought to help species survive in novel or varying environments. (d) Sexual reproduction can speed the elimination of deleterious alleles.