In the human life cycle, somatic cells are diploid and gametes are haploid

a. true
b. false


Ans: a. true

Biology & Microbiology

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A couple has a baby that is monosomic for the X chromosome. This most likely occurred during meiosis because:

A. there was nondisjunction of the sister chromatids. B. there was an inversion in the X chromosome and crossover occurred. C. there was a duplication in the X chromosome and crossover occurred. D. there was translocation of another chromosome onto the X chromosome. E. either there was an inversion in the X chromosome or there was a duplication in the X chromosome and crossover occurred.

Biology & Microbiology

In humans, the gene for eye color is an example of a ________ trait

A. Monomorphic B. Polymorphic

Biology & Microbiology

How are simple diffusion and facilitated diffusion similar to each other?

a. They both belong to active transport. b. They both transport through the aid of a transport molecule. c. They both require energy. d. They both belong to passive transport.

Biology & Microbiology

Ernest Rutherford's key experiment on alpha particle bombardment of gold foil was important to the development of

A. the concept that atoms have a homogenous distribution of protons throughout the atom. B. gold as an element. C. the modern model for atomic structure. D. detection methods for protons. E. alpha particle emitters.

Biology & Microbiology