29. Diploid cells of the fruit fly Drosophila have ten chromosomes. How many chr

Question

29. Diploid cells of the fruit fly Drosophila have ten chromosomes. How many chromosomes does a Drosophila gamete have? a. One b. Two c. Five d. Ten e. Twenty 30. DNA carries genetic information in its a helical form. b. sequence of bases (nucleotides) e. tertiary sequence d. sequence of amino acids. e phosphate groups 31. Which of the following DOES NOT correctly match the macromolecule with its a. proteins amino acids c. Nucleic acids: amino acids c. Nucleic acids nucleotides d carbohydrates glucose 32. Mciosis can occur a. in all organisms. b. only when an organism is diploid. d. only in haploid organisms. e. only in multicellular organisms e. only in single-celled organisms. 33. Accidents during meiosis that can result in trisomies (like Down Syndrome) and monosomies are callecd b. inversions c. reciprocal translocations. e. acrocentricities in clean water but not in polluted water, you make the statement, b. biological evolution. d. recombinations 34. Afier observing that fish live "polluted water kills fish." Your statement is an examplc of c. a prediction. a scientific inquiry d. a hypothesis. e a theory 35. All of the following are sources of genctic variation produced by sexual reproduction EXCEPT b. crossing over fusion of gametes c. d. the sorting of different homologous chromosomes into different cells during mciosis I e. mitosIS 36. A test cross gous or a. is used to determine if an organism that is displaying a dominant trait is heterozy homozygous for that trait b. is used to determine if an organism that is displaying a recessive trait is heterozygous or homozygous for that trait. c. results in the F generation having a phenotypic ratio of 3/4 dominant to 1/4 recessive. d results in the same alleles being transferred from gencration to generation. 37. Which of the following groups of organisms do nor contain autotrophic organisms? c. Fungi and animals b. Archaca and bacteria e. Plants and animals a. Fungi and bacteria d. Bacteria and animals 38. What is the pattern of inheritance for a sex-linked allele? a. Every affected person has an affected parent b. Unaffected parents can produce children who are affected. c. Unaffected mothers have affected sons and daughters who are carriers d. None of the above

Explanation / Answer

Answer:

29). C). five

Explanation: During formation of gametes, meiosis will happen, which makes chromosome number reduction into half in the gametes.

30). B). Sequence of bases (nucleotides)

31). C). Nucleic acids : Amino acids

Explanation: The monomers of nucleic acids are nucleotides (nucleotide = Nitrogen base + Phosphate + ribose sugar)

32). D). Only when an organism is diploid

33). A). Nondisjunction

Explanation:

Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate properly during cell division.

Related Questions

Navigate

• Browse (All)
• Browse 2
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.