Synapsis. What phase in Meiosis does this occur?
What will be an ideal response?
The pairing of homologous chromosomes during Prophase I
Occurs in Prophase I
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The ____ model of genetic analysis of complex traits assumes that each gene involved has an equal effect on the phenotype
a. cumulative b. additive c. epigenetic d. polygenic e. phenotypic
Cancer associated with aflatoxin exposure is connected to ____
a. heredity b. viruses c. chemical carcinogens d. radiation e. weakened immunity
Which of the following includes the most likely change in the coloration of the beetle population after pollution and a correct rationale for the change?
(A) The coloration range shifted toward more light-colored beetles, as in diagram I. The pollution helped the predators find the darkened tree trunks. (B) The coloration in the population split into two extremes, as in diagram II. Both the lighter-colored and the darker-colored beetles were able to hide on the darker tree trunks. (C) The coloration range became narrower, as in diagram III. The predators selected beetles at the color extremes. (D) The coloration in the population shifted toward more darker- colored beetles, as in diagram IV. The lighter-colored beetles were found more easily by the predators than were the darker- colored beetles.
How similar to the donor would a cloned human be?
A) They would be no more alike than identical twins. B) They would look different but have the exact same personalities. C) They would have the same genes, but everything else about them would be different. D) They would be identical in looks and personalities.