Which of the following states (in modern terms) that a diploid cell has two alleles of every gene-one on each homologous chromosome-that are distributed into separate gametes during meiosis?
A. Law of segregation
B. Monohybrid cross
C. Law of independent assortment
D. Testcross
E. Allelic inheritance
Answer: A
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Explain how the heart of a double-pithed frog can continue to contract in an organized manner after the nervous system is destroyed.
What will be an ideal response?
A husband and wife are in the process of getting a divorce. During child-support hearings, the husband states that he should not pay child support as he feels that the child was actually fathered by one of the woman's various lovers. DNA restriction analysis was performed, with the results illustrated in the diagram below.
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The DNA of the husband in this case can be found in lane 3, whereas that of the suspected father is in lane 4. Based on this information,
A) the husband is definitely the child's father.
B) the husband is definitely not the child's father.
C) either man could be the father, and more tests are needed to discern paternity.
D) neither man in question is the child's biological father.
When comparing gene regulation in prokaryotes to that in eukaryotes, which is better? Justify your
answer.
What will be an ideal response?Which option lists the sequence of events in the cell-signaling process in the correct order?
A) reception, response, signal transduction B) signal transduction, reception, response C) signal transduction, response, reception D) reception, signal transduction, response