TLS Online TPP Program

#Question id: 11590


Seed germination may require gibberellins for one of several possible steps:

#SCPH06 I Botany
  1. the activation of the vegetative growth of the embryo
  2. the weakening of a growth-constraining endosperm layer surrounding the embryo
  3. the mobilization of stored food reserves of the endosperm

  4. the inhibition of the vegetative growth of the embryo
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TLS Online TPP Program

#Question id: 4764

#SCPH01 Biochemistry

Which of the following is the best example of overdominance?

TLS Online TPP Program

#Question id: 4764

#SCPH12 I Genetics

Which of the following is the best example of overdominance?

TLS Online TPP Program

#Question id: 4765

#SCPH01 Biochemistry

The recessive mutant allele that causes cystic fibrosis is much more frequent in Caucasians population than in other world populations. Some scientists believe heterozygotes must have had a survival advantage during plagues such as cholera that occasionally swept through this population. What concept does this illustrate?

TLS Online TPP Program

#Question id: 4765

#SCPH12 I Genetics

The recessive mutant allele that causes cystic fibrosis is much more frequent in Caucasians population than in other world populations. Some scientists believe heterozygotes must have had a survival advantage during plagues such as cholera that occasionally swept through this population. What concept does this illustrate?

TLS Online TPP Program

#Question id: 4766

#SCPH01 Biochemistry

In soybeans, resistance to sudden death syndrome (SDS) is inherited as a dominant condition. In some cases, individuals that are not resistant to SDS (but whose parents were) can pass the trait on to their progeny. This is an example of which of the following?

TLS Online TPP Program

#Question id: 4766

#SCPH12 I Genetics

In soybeans, resistance to sudden death syndrome (SDS) is inherited as a dominant condition. In some cases, individuals that are not resistant to SDS (but whose parents were) can pass the trait on to their progeny. This is an example of which of the following?