In human blood types 3 alleles are possible A B and O Which

In human blood types, 3 alleles are possible: A, B and O. Which one of these children could not have come from a Type A man and a Type B woman? A. Type A. B. Type O, C. Type AB. D. All 3 are possible A karyotype of fetal cells obtained by amniocentesis can reveal all of the following EXCEPT whether the baby A. will be male. B. will have Down syndrome. C. will have cystic fibrosis. D. will have trisomy 18. Pregnant women who experienced starvation during World War II were more likely to have grandchildren who were obese. This was due to A. random mutations in the DNA. B. changes in the bases of RNA. C. survival of the fittest. D. epigenetic factors. Which of these is never found outside the nucleus? A. DNA. B. messenger RNA. C. transfer RNA. D. ribosomal RNA. Which of these is found ONLY is cell that make insulin and not in any other body cell? A. the gene for making insulin. B. the messenger RNAs for making insulin. C. transfer RNAs. D. ribosomes. The structure of a chromosome during metaphase is most accurately described as A. DNA supercoiled around histones. B. DNA encased with a protein covering. C. An elongated double helix of DNA. D. A unzipped double helix of DNA. What method is used to quickly aunty for the presence of 100s of specific, short base sequent in your DNA? A. DNA fingerprints B. DNA Xray diffraction C. DNA microarrays D. DNA Polymerase Chain Reaction. Looking at the \"Tree of Life\", one might get the impression that all species came into existence A. to verse humanity. B. to make more DNA. C. to generate oxygen. D. to absorb the sun\'s energy. The main difference between the 3 kinds of RNAs is A. the way they fold. B. the amount of thymine in their base sequences. C. the kind of sugar in their backbones. D. the number of peptide bonds they have. What molecule has an amino acid on one end and an anticodon on the other end? A. DNA B. Messenger RNA C. Transfer RNA D. Ribosomal RNA The terms triplet and universal refer to A. the genetic code B. the transcription of RNA C. DNA replication D. patterns of inheritance The risk of Down syndrome is higher in older women because A. the ovum\'s DNA b as old as the woman B. the chance of non-disjunction is lower in older women. C. mutations accumulate in older men\'s sperm. D. All of the above.

Solution

Ans 31. Option B, i.e. Type O

Ans 32. Option C,i.e. Cystic fibrosis

Ans 33. Option D, i.e. epigenetic effect

Ans 34. Option A, i.e. DNA

Ans 35. Option B, i.e. m-RNA

Ans 36. Option C, i.e. elongated double helix of DNA

Ans 37. Option C, i.e. DNA Microarray

Ans 38. Option B, i.e. make more DNA

Ans 39. Option A, i.e. The way they fold

Ans 40. Option C, i.e. t-RNA

Ans 41. Option A, i.e. genetic code

Ans 42. Option A, i.e. DNA is as old as women.