In watermelons, bitter fruit (B) is dominant over sweet fruit (b), and yellow spots (S) are dominant over no spots (s). The genes for these two characteristics link at 30 map unit. A homozygous plant that has bitter fruit and yellow spots is crossed with a homozygous plant that has sweet fruit and no spots. If an F1 plant is backcrossed with the sweet fruit, no spot parent, what are the phenotypes ratio expected in the their offspring

TLS Online TPP Program

#Question id: 26919

#Unit 10. Ecological Principles

Species cannot coexist permanently in a community, if_____

TLS Online TPP Program

#Question id: 2252

#Unit 2. Cellular Organization

The generation and maintenance of a membrane electric potential requires which of the following:

a. active pumping of ions       

b. ion-specific membrane channel proteins

c. ATP                                    

d. a generally permeable membrane

TLS Online TPP Program

#Question id: 12154

#Unit 10. Ecological Principles

What is true of two resources that act synergistically to determine the population growth of a particular species? 

TLS Online TPP Program

#Question id: 17656

#Unit 7. System Physiology – Animal

The body is too worn down to deal with the stress and leaves the body vulnerable to injury.

TLS Online TPP Program

#Question id: 26793

#Unit 8. Inheritance Biology

The probability of rolling one die and obtaining a four. To calculate the probability of rolling a die twice and obtaining 2 fours, What is the probability of rolling a four on both is?