If a codon for alanine is GCA. What is the anticodon?
A) ACG
B) GCA
C) CGU
D) CGT
E) UGC
C) CGU
You might also like to view...
Insertion sequences:
A. contain one or more genes (such as antibiotic resistance genes) in addition to those needed for transposition. B. are simple transposons that contain only the sequences required for transposition. C. are simple transposons that contain only the sequences required for transposition and the gene encoding the transposon. D. contain auxiliary genes that activate the transposase. E. None of the choices given describes insertion sequences.
Sheree is referred to a genetic counselor because a cystic fibrosis (CF) test done as a routine part of her prenatal care indicated that she is a carrier of the most common mutant allele. Sheree is stunned, because no one in her family has the disease. She is 26 years old. The genetic counselor would most likely
A) explain autosomal recessive inheritance and suggest that Sheree's husband be tested for CF. B) explain autosomal dominant inheritance and suggest that Sheree's husband be tested for CF. C) explain autosomal recessive inheritance and suggest that Sheree's parents be tested for CF. D) advise Sheree to have amniocentesis to check the fetus for the CF genotype.
In angiosperms, meiosis of cells in the ovule give rise to haploid megaspores. What happens next?
a. Mitosis gives rise to a seed. b. Mitosis gives rise to an egg, a cell with two nuclei. c. Mitosis gives rise to a sporophyte. d. Meiosis gives rise to a dipold egg and a cell with two nuclei. e. Meiosis gives rise to a more megaspores.
Which formula can be used to determine the number of categories (phenotypes) possible in the F2 results of a polygenic system?
What will be an ideal response?