Three of the four modes of inheritance of organelle genes are • maternal inheritance as in mammals, • paternal inheritance as in gymnosperms, and • selective degradation of one source during mating. What is the fourth?

What will be an ideal response?


biparental inheritance

Biology & Microbiology

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True or false: Bushmen hunters exploit the effects of physiological stress by forcing their prey to run when the temperature exceeds the animal's core temperature

A. true B. false

Biology & Microbiology

During the Gram stain, the application of alcohol results in the decolorization of ______ cells.

A. gram-negative B. pleomorphic C. all D. gram-positive

Biology & Microbiology

Mendel chose the garden pea for his work on inheritance for which of the following reasons? Check all that apply. 

_____ Some traits in pea plants are controlled by one dominant allele and one recessive allele. _____ Earlier investigators had shown segregation among the offspring. _____ A large number of true breeding varieties were available. _____ The generation time was short; many offspring can be grown easily. _____ He could choose to self- or cross-pollinate.

Biology & Microbiology

Ball-and-socket joints allow flexion, extension, rotation, abduction (moving away from the midline of the body) and adduction (moving toward the midline). Which of the following is(are) an example of a ball and socket joint?

A. the knee B. the elbow C. the hip D. the joints between bones of the fingers

Biology & Microbiology