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TLS Online TPP Program

#Question id: 9181

Turnover of water in temperate lakes during the spring and fall is caused by which of the following?

#Unit 9. Diversity of Life Forms
  1. warm, less dense water layered at the top
  2. cold, more dense water layered at the bottom
  3. a distinct thermocline between less dense, warm water and cold, dense water
  4. the changes in the density of water as seasonal temperatures change
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TLS Online TPP Program

#Question id: 4758

#Unit 8. Inheritance Biology

The allele l in human population is recessive lethal and x chromosome linked. If a female is heterozygous for l allele marries with normal male. What will be interpretation correct?
TLS Online TPP Program

#Question id: 4759

#Unit 8. Inheritance Biology

which of the following is not a mechanism for sex determination?
TLS Online TPP Program

#Question id: 4761

#Unit 8. Inheritance Biology

which of the following statements about a lethal allele is not correct?
TLS Online TPP Program

#Question id: 4762

#Unit 8. Inheritance Biology

a semilethal allele is an example of which of the following extensions of mendelian genetics?
TLS Online TPP Program

#Question id: 4764

#Unit 8. Inheritance Biology

Which of the following is the best example of overdominance?
TLS Online TPP Program

#Question id: 4768

#Unit 8. Inheritance Biology

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