In an individual pea plant, the visible characteristics of yellow and wrinkled seeds are the plant's ________
Fill in the blank with correct word.
Answer: phenotype
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The earliest RNA probably functioned in
A) catalysis. B) self-replication. C) both catalysis and self-replication. D) neither catalysis nor self-replication.
Transgenic crop plants are primarily developed for which of the following reasons?
a. To improve disease resistance b. To study patterns of inheritance c. To facilitate genetic testing d. To develop new vaccines
Most anabolic steroids that are used to increase muscle mass are derivatives of the natural hormone ________.
Fill in the blank(s) with the appropriate word(s).
The autosomal dominant disorder neurofibromatosis Type I (NF1) causes benign tumors in individuals who have the NF1 allele (N). Nearly every individual who is either NN or Nn will show some clinical symptoms of the disorder yet individuals can have widely different symptoms with some individuals being severely affected while others have few tumors. Based on this description, NF1 appears to have ______________.
a) incomplete dominance b) variable expressivity c) incomplete penetrance d) pleiotropy