TLS Online TPP Program

#Question id: 8964


Phylogenetic trees are best described as

#Unit 9. Diversity of Life Forms
  1. true and inerrant statements about evolutionary relationships.
  2. hypothetical portrayals of evolutionary relationships.
  3. the most accurate representations possible of genetic relationships among taxa.
  4. theories of evolution.
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TLS Online TPP Program

#Question id: 5441

#Unit 8. Inheritance Biology

Two pure line of corn have mean cob length of 15 cm and 5 cm, respectively. 6 polygenes involved in this trait exhibit additive gene action. Crossing these two lines is expected to produce a progeny population with mean cob length of

TLS Online TPP Program

#Question id: 5443

#Unit 8. Inheritance Biology

Two varieties of maize averaging 25 and 125 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 75 inches in height. Plant height is control by 3 QTL, what is the probability of plant with 25 inch height in F2 generation?

TLS Online TPP Program

#Question id: 5444

#Unit 8. Inheritance Biology

Which one of the following statements is INCORRECT?

TLS Online TPP Program

#Question id: 5445

#Unit 8. Inheritance Biology

A plant height in Maize is control by 3 pair of polygene .Two varieties of maize averaging 120 and 60 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 90 inches in height. What is percent of F2 progeny that is resemble with either 120 cm or 60 cm height?

TLS Online TPP Program

#Question id: 5447

#Unit 8. Inheritance Biology

Hydrangea plants of the same genotype are planted in a large flower garden. Some of the plants produce blue flowers and others pink flowers. This can be best explained by which of the following?

TLS Online TPP Program

#Question id: 5448

#Unit 8. Inheritance Biology

Plant height control by 3 pair of polygene, two varieties of maize averaging 48 and 72 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 60 inches in height. What is number of average phenotype out of 500 F2 plants?