Practice Questions

TLS Online TPP Program

#Question id: 5705

The chromosome has been broken at two points, and the segment between them has been inverted. What will be affects of this inversion however, person is heterozygous this abnormality?

#SCPH28 | Zoology

It may change the relative lengths of the two arms of the chromosome
This stretches the dicentric chromatid across the center of the nucleus, forming a structure called a dicentric bridge
Two of four gametes contain recombinant chromosomes that are missing some genes however no duplication of gene; these gametes will not produce viable offspring
Recombination is not reduced within a inverted region comparatively normal

More Questions

#Question id: 5562

#I Life Science/ Life Sciences Group – I-V

In an egg cell treated with a chemical that binds calcium and magnesium ions, the ________.

#Question id: 8691

#SCPH05 I Biotechnology

Use the following information to answer the question.

Applying the principle of parsimony to the trait "ability to fly," which of the two phylogenetic trees is better?

#Question id: 3448

#SCPH28 | Zoology

Which scientist devised a rule that predicts when natural selection should favor altruism?

#Question id: 4309

#SCPH05 I Biotechnology

Imagine that you've isolated a yeast mutant that contains histones resistant to acetylation. What phenotype would you predict for this mutant?

#Question id: 26900

#SCPH06 I Botany

Tundra is___