Which of the following statements is true of homologous chromosomes?
A.) They are exact copies.
B.) They contain the same genes.
C.) They divide during meiosis II.
D.) They connect to teach other.
Answer: B.) They contain the same genes.
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The product of the lacI gene functions most like a car's _____
A) parking brake B) accelerator pedal C) steering wheel D) engine E) gear shift
Which process generally is the cause for production of recombinant offspring for two genes on the same chromosome?
a. movement of transposable elements b. pairing of nonhomologous chromosomes c. gene duplication d. exon shuffling e. crossing over between homologous chromosomes
Matching II. Choose the one most appropriate
answer for each. 1. ___ anthropoids 2. ___ australopith 3. ___ hominids 4. ___ hominoids 5. ___ Miocene 6. ___ Neandertals 7. ___ primates 8. ___ Pliocene A. a group that includes apes and humans B. a population of Homo spp. that lived from at least 100,000 to as recently as 30,000 years ago; tool users and artisans C. the order that includes animals with freely swiveling limbs, mobile grasping digits, upright body posture, good depth perception, and exquisite neural control D. organisms in a group that includes New World and Old World monkeys, apes, and humans E. an era that began 65 to 63 million years ago; characterized by the evolution of birds, mammals, and flowering plants F. an epoch of the Cenozoic lasting from 23.8 million to 5.3 million years ago; characterized by the appearance of primitive apes, whales, and grazing animals G. an epoch of the Cenozoic lasting from 5.3 million to 1.8 million years ago; characterized by the appearance of distinctly modern plants and animals H. bipedal organisms from about 3.2 to 2.3 million years ago, with essentially human bodies and ape-shaped heads; ”Southern Apes” I. a group including humans and human-like species
After an endospore forms, the cell membrane of the original cell lyses, releasing the endospore
____________________ Indicate whether the statement is true or false.