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TLS Online TPP Program

#Question id: 15011

Which of the following statements about a lethal allele is NOT correct?

#Unit 8. Inheritance Biology
  1. Lethal alleles are always recessive
  2. Lethal alleles may have a late age of onset.
  3. Lethal alleles may be caused by mutations in essential genes.
  4. Lethal alleles may affect one individual differently than another.
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TLS Online TPP Program

#Question id: 33440

#Unit 1. Molecules and their Interaction Relevant to Biology

The biosynthesis of porphyrins, for which is a major precursor
TLS Online TPP Program

#Question id: 12095

#Unit 10. Ecological Principles

It is now thought that the atmosphere of the primitive Earth was composed largely of carbon dioxide, nitrogen, and water vapor. The composition of certain iron-containing minerals suggests that the carbon dioxide began to be replaced by oxygen about 2 billion years ago.   Which of the following is the best explanation for the change in atmospheric composition?
TLS Online TPP Program

#Question id: 17671

#Unit 9. Diversity of Life Forms

Protection from predators 
TLS Online TPP Program

#Question id: 26405

#Unit 3. Fundamental Processes

Which of the eukaryotic polymerase recruited before melting or during the formation of CMG complexes
TLS Online TPP Program

#Question id: 4794

#Unit 8. Inheritance Biology

 Following statement given for a character

A- Characteristics are determined by autosomal genes

B- Inherited according to Mendel’s principles

C-they are different expressivity in males and females

Which of the following having above statements feature?