Crosses between a yellow rat with a yellow rat always produce yellow offspring. Crosses between a white rat with a white rat always produce white offspring. The alleles affect the same aspect of coat color. The cross of a white rat with a yellow rat produces a cream rat. This type of inheritance pattern is called _______________?
Fill in the blank(s) with the appropriate word(s).
incomplete dominance.
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Molecular, biochemical, cellular, and morphological evidence supports the view that bryophytes are a
monophyletic group.
Indicate whether the statement is true or false.Methicillin-resistant Staphylococcus aureus (MRSA) can be a serious threat to human health. There is evidence that S. aureus infections are common in hospitals and that MRSA have become resistant to other antibiotics besides methicillin. This suggests that the rapid evolution of resistance in the bacteria poses a serious public-health challenge. Which of the following best explains the ability of MRSA to evade existing drug therapies?
(A) MRSA have very long generation times and very large population sizes. (B) MRSA develop new alleles by intentionally introducing specific mutations that will give them a selective advantage over other bacteria. (C) MRSA metabolize many drugs in their lysosomes and therefore evolve resistance at a high rate. (D) MRSA exchange genetic material with other antibiotic-resistant bacteria, which can spread resistance in the S. aureus population.
If you want your population of plants to be genetically diverse, you should utilize the process
known as
a. asexual reproduction. b. cloning. c. sexual reproduction. d. vegetative reproduction
Which of the following regarding bone growth is false?
A. Cartilage of growth plates actively grow in lengthwise direction. B. Increase in bone thickness results from the adding of bone layers on top of the periosteum. C. Some cartilage remains after it is replaced by bone. D. Cartilage calcification encroaches on the cartilaginous growth plate.