What is the advantage of having introns in our
genes?
a. multiple proteins can be formed in protein
synthesis
b. protection from viruses
c. they can be modified into new proteins
d. protection from thymine dimer formation
e. there is no known advantage to having
introns in our genes
A
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Allele that exerts its phenotypic effect only in the homozygote; its expression is masked by a dominant allele.
What will be an ideal response?
Assume that a cross is made between AaBb and aabb plants and that the offspring occur in the following numbers: 106 AaBb, 48 Aabb, 52 aaBb, 94 aabb. These results are consistent with which of the following?
A) linkage with 50% crossing over B) 100% recombination C) independent assortment D) sex-linked inheritance with 30% crossing over E) linkage with approximately 33 map units between the two gene loci
Which of the following bacteria requires heme for its growth?
A. Salmonella B. Shigella C. Yersinia D. Haemophilus E. Bordetella
__________ neurons detect stimuli. Fill in the blank(s) with the appropriate word(s)