What is the probability of both a dominant trait and a recessive trait being expressed in the F1 generation when crossing true breeders, if both traits are independent?
a. 100%
b. 25%
c. 0%
d. 50%
c. 0%
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The major difference between the human male and female reproductive systems is the ____
a. site for fertilization and embryo development in the female b. production of haploid gametes only by the male c. diploid polar bodies of the female d. generation of millions of eggs but only thousands of sperm each month e. presence of a duct system opening to the body's exterior only in females
With incomplete dominance, a likely ratio resulting from a monohybrid cross would be ________
A) 1:2 B) 1:2:2:4 C) 9:3:3:1 D) 1:2:1 E) 3:1
Diatoms are commonly used in which of the following commercial products?
a. pool filters b. reflective paints c. cosmetics d. a and b e. a, b and c
What is the name of the molecule that binds to CAP to activate transcription of the lac operon?
A) lactose B) galactose C) glucose D) cAMP E) ATP