Plants with genotype aabb have seeds that average 1 g in weight, whereas plants with genotype AABB have seeds that average 3.4 g in weight. Plant with genotype aabb is crossed with plant of genotype AABB. If the F1 plants are intercrossed to produced 2/8 proportional of F2 plant having expected seed weight

A  . 1.6        B- 2.8        C-  2.2       D. 1             E . 3.4  

TLS Online TPP Program

#Question id: 5284

#Unit 8. Inheritance Biology

DNA from a strain of Bacillus subtilis with genotype a+b+ c+d+ e+ is used to transform a strain with genotype a - b- c- d-   e-. Pairs of genes are checked for co-transformation and the following results are obtained:

Pair of co-transform genes as follow

D-E,             E-C,                C-B,                  A-D

On the basis of these results, what is the order of the genes on the bacterial chromosome?

TLS Online TPP Program

#Question id: 17261

#Unit 7. System Physiology – Animal

In what stage of the General Adaptation Syndrome does your heart rate and blood pressure increase? 

TLS Online TPP Program

#Question id: 103

#Unit 1. Molecules and their Interaction Relevant to Biology

Lipids may be either hydrophobic or ________.

TLS Online TPP Program

#Question id: 8925

#Unit 9. Diversity of Life Forms

What is the probable sequence in which the following clades of animals originated, from earliest to most recent?

1. tetrapods

2. vertebrates

3. deuterostomes

4. amniotes

5. bilaterians

TLS Online TPP Program

#Question id: 4306

#Unit 3. Fundamental Processes

Which of the following molecules helps to "turn off" genes in a cell?