Cytoplasmic male sterility

TLS Online TPP Program

#Id: 9550

#Unit 11. Evolution and Behavior

Postulate of Darwin

Geometric increase 

Limited food & Space

Struggle for existence 

Variation 

 Natural selection

Inheritance of useful characters

Speciation

TLS Online TPP Program

#Id: 4756

#Unit 5. Developmental Biology

The SKN-1 protein is a maternally expressed transcription factor that controls the fate of the P1 blastomere(P1🡪EMS 🡪MS), that generates the posterior pharynx.

TLS Online TPP Program

#Id: 879

#Unit 13. Methods in Biology

Short tandem repeats (STRs) are short repeated sequences of DNA (1–10 bp) that account for approximately  3% of the human genome.

TLS Online TPP Program

#Id: 7339

#Unit 11. Evolution and Behavior

Positive assortative mating

Individuals' mate with others who are like themselves phenotypically for selected traits. The net effect of positive assortative mating is a progressive increase in the number of  homozygous genotypes (AA and aa)

TLS Online TPP Program

#Id: 885

#Unit 13. Methods in Biology

On average, one STR occurs per 2,000 bp in the human genome.