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TLS Online TPP Program

#Question id: 5214

What is the most probable explanation for the continued presence of pseudogenes in a genome such as our own?

#11. Evolution and Behavior

  1. They are genes that had a function at one time, but that have lost their function because they have been translocated to a new location.

  2. They are genes that have accumulated mutations to such a degree that they would code for different functional products if activated.

  3. They are duplicates or near duplicates of functional genes but cannot function because they would provide inappropriate dosage of protein products.

  4. They are genes that are not expressed, even though they have nearly identical sequences to expressed genes.

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TLS Online TPP Program

#Question id: 19708

#13. Methods in Biology

In complete heart block
TLS Online TPP Program

#Question id: 3254

#11. Evolution and Behavior

Consider a single locus with 2 alleles which are at Hardy-Weinberg equilibrium. If the frequency of the heterozygous genotypes is 0.42, what is the frequency of one homozygote in the population?
TLS Online TPP Program

#Question id: 16312

#7. System Physiology – Animal

Any situation that is out of the ordinary, known as:
TLS Online TPP Program

#Question id: 15384

#8. Inheritance Biology

A trait that appears to be dominant in one sex but recessive in the other is called:
TLS Online TPP Program

#Question id: 10242

#10. Ecological Principles

Ecologist Robert Macarthur observed that five species of similar warblers coexisted on spruce trees because they