TLS Online TPP Program

#Question id: 3593


In the cross Aa Bb Cc Dd X Aa Bb Cc Dd, in which all genes undergo independent assortment, what proportion of offspring are expected to be at least one heterozygous for locus gene?

#Unit 8. Inheritance Biology
  1. 1/8     

  2. 1/16     

  3. 248/256       

  4. 3/4

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TLS Online TPP Program

#Question id: 4220

#Unit 3. Fundamental Processes

A particular triplet of bases in the template strand of DNA is 5′-AGT-3′. What would be the corresponding codon for the mRNA that is transcribed?

TLS Online TPP Program

#Question id: 4221

#Unit 3. Fundamental Processes

The genetic code is essentially the same for all organisms. From this, one can logically assume which of the following statements to be true?

TLS Online TPP Program

#Question id: 4222

#Unit 3. Fundamental Processes

Use the figure to answer the question. The figure shows a simple metabolic pathway. According to Beadle and Tatum's hypothesis, how many genes are necessary for this pathway?

TLS Online TPP Program

#Question id: 4223

#Unit 3. Fundamental Processes

Use the figure to answer the question. Refer to the metabolic pathway illustrated. If A, B, and C are all required for growth, a strain that is mutant for the gene-encoding enzyme A would be able to grow on medium supplemented with which of the following nutrient(s)?

TLS Online TPP Program

#Question id: 4224

#Unit 3. Fundamental Processes

Use the figure to answer the question Refer to the metabolic pathway illustrated. If A, B, and C are all required for growth, a strain mutant for the gene encoding enzyme B would be able to grow on medium supplemented with which of the following nutrient(s)?

TLS Online TPP Program

#Question id: 4225

#Unit 3. Fundamental Processes

The following question refers to table of codons. Which of the following sequences of nucleotides are possible in the template strand of DNA that would code for the polypeptide sequence Phe-Leu-Ile-Val?