Monohybrid Crosses Reveal

F1 plants display the phenotype of only one parent, they must inherit genetic factors from both parents.

When dominant and recessive alleles are present together, the recessive allele is masked, or suppressed.

TLS Online TPP Program

#Id: 10422

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 10423

#Unit 4. Cell Communication and Cell Signaling

Tumor cells secrete a protein plasminogen activator that converts the serum protein plasminogen to the active protease plasmin.

TLS Online TPP Program

#Id: 10424

#Unit 4. Cell Communication and Cell Signaling

Noncoding RNAs, especially microRNAs, play a critical role in tumorigenesis:

Let-7 miRNAs

miR-15-a 

miR-16-1

miR-21

TLS Online TPP Program

#Id: 10425

#Unit 4. Cell Communication and Cell Signaling

Let-7 miRNAs repress the translation of Ras mRNA and also targets MYC

TLS Online TPP Program

#Id: 10426

#Unit 4. Cell Communication and Cell Signaling

miR-15-a and miR-16-1, control the proliferation of 

B cells

TLS Online TPP Program

#Id: 10427

#Unit 4. Cell Communication and Cell Signaling

miR-21 targets PTEN phosphatase