Irene and William are having their first child. Irene knows her blood type is A, but William does not know his blood type. However, William knows that his mother and father were B. Their first child is a boy named Gregory. Gregory has type O blood. Of course, Irene and William do not understand how this happened. You could explain this to them using which of the following choices?
a. Irene's genotype is AA, and William's genotype is OO; thus, Gregory expresses the phenotype of O.
b. Irene's genotype is AO, and William's genotype is BO; thus, Gregory expresses the phenotype of O.
c. Because his parents were both type B, William could not be the father of Gregory.
d. Gregory's blood type will need to be checked after his first month of life if the parents want to know his blood type. It takes about a month for the blood type to develop in a newborn child.
e. Since Irene is type A, there had to be a mix-up in the lab report. Gregory should have been type A.
Answer: B
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Meiosis
- A possible sequence of nucleotides in DNA that would code for the polypeptide sequence Phe-Leu-Lie-Val would be
- A frameshift mutation could result from
- With each replication of the DNA molecule, the DNA molecule becomes shorter.
- In DNA, the designations 3' and 5' refer to the
- The 3' Poly-A tail is attached to
- Eukaryotic mRNA molecules are occasionally interspersed with non-coding sequences that must be removed before protein synthesis. These are called
- The tRNA nucleotide sequence that lines up on the mRNA is
- The 3-nucleotide sequence of an mRNA is called the
- Similar to the complementary purine-pyrimidine relationship observed in DNA, which of the following choices pairs with adenine in RNA?
- Amino acids are transported to the ribosome for use in building the polypeptide by
- When multiple snRNPs combine to form a larger complex called a ___________ the intron loops out and is excised.
- In _________, a ribosome assembles a polypeptide, whose amino acid sequence is specified by the nucleotide sequence in the mRNA (which itself is a copy of the template DNA).
- Transcription begins at a RNA polymerase-binding site called a _____.
- The expression of a gene involves two phases, ___________ and translation.
- Which of the following DNA sequences is complementary to 5' ATGGTCAGT 3'?
- The lagging strand is replicated with stretches of Okazaki fragments and that is why its synthesis is considered to be
- Replication always proceeds by adding new bases to the
- The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a
- DNA polymerase requires a(n)
- Hershey-Chase concluded from their experiment with T2 bacteriophage that
- The enzyme that catalyzes the synthesis of new DNA molecules is called
- The method of DNA replication, where each original strand is used as a template to build a new strand, is called the
- The synthesis of the growing chain of DNA is carried out by adding nucleotides to the ___ end.
- Watson and Crick developed a model of DNA in which the two strands twist into the shape of a _________________.
- DNA consists of two antiparallel strands of nucleotide chains held together by
Heredity
- A possible sequence of nucleotides in DNA that would code for the polypeptide sequence Phe-Leu-Lie-Val would be
- A frameshift mutation could result from
- With each replication of the DNA molecule, the DNA molecule becomes shorter.
- In DNA, the designations 3' and 5' refer to the
- The 3' Poly-A tail is attached to
- Eukaryotic mRNA molecules are occasionally interspersed with non-coding sequences that must be removed before protein synthesis. These are called
- The tRNA nucleotide sequence that lines up on the mRNA is
- The 3-nucleotide sequence of an mRNA is called the
- Similar to the complementary purine-pyrimidine relationship observed in DNA, which of the following choices pairs with adenine in RNA?
- Amino acids are transported to the ribosome for use in building the polypeptide by
- When multiple snRNPs combine to form a larger complex called a ___________ the intron loops out and is excised.
- In _________, a ribosome assembles a polypeptide, whose amino acid sequence is specified by the nucleotide sequence in the mRNA (which itself is a copy of the template DNA).
- Transcription begins at a RNA polymerase-binding site called a _____.
- The expression of a gene involves two phases, ___________ and translation.
- Which of the following DNA sequences is complementary to 5' ATGGTCAGT 3'?
- The lagging strand is replicated with stretches of Okazaki fragments and that is why its synthesis is considered to be
- Replication always proceeds by adding new bases to the
- The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a
- DNA polymerase requires a(n)
- Hershey-Chase concluded from their experiment with T2 bacteriophage that
- The enzyme that catalyzes the synthesis of new DNA molecules is called
- The method of DNA replication, where each original strand is used as a template to build a new strand, is called the
- The synthesis of the growing chain of DNA is carried out by adding nucleotides to the ___ end.
- Watson and Crick developed a model of DNA in which the two strands twist into the shape of a _________________.
- DNA consists of two antiparallel strands of nucleotide chains held together by
Molecular Genetics
- A possible sequence of nucleotides in DNA that would code for the polypeptide sequence Phe-Leu-Lie-Val would be
- A frameshift mutation could result from
- With each replication of the DNA molecule, the DNA molecule becomes shorter.
- In DNA, the designations 3' and 5' refer to the
- The 3' Poly-A tail is attached to
- Eukaryotic mRNA molecules are occasionally interspersed with non-coding sequences that must be removed before protein synthesis. These are called
- The tRNA nucleotide sequence that lines up on the mRNA is
- The 3-nucleotide sequence of an mRNA is called the
- Similar to the complementary purine-pyrimidine relationship observed in DNA, which of the following choices pairs with adenine in RNA?
- Amino acids are transported to the ribosome for use in building the polypeptide by
- When multiple snRNPs combine to form a larger complex called a ___________ the intron loops out and is excised.
- In _________, a ribosome assembles a polypeptide, whose amino acid sequence is specified by the nucleotide sequence in the mRNA (which itself is a copy of the template DNA).
- Transcription begins at a RNA polymerase-binding site called a _____.
- The expression of a gene involves two phases, ___________ and translation.
- Which of the following DNA sequences is complementary to 5' ATGGTCAGT 3'?
- The lagging strand is replicated with stretches of Okazaki fragments and that is why its synthesis is considered to be
- Replication always proceeds by adding new bases to the
- The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a
- DNA polymerase requires a(n)
- Hershey-Chase concluded from their experiment with T2 bacteriophage that
- The enzyme that catalyzes the synthesis of new DNA molecules is called
- The method of DNA replication, where each original strand is used as a template to build a new strand, is called the
- The synthesis of the growing chain of DNA is carried out by adding nucleotides to the ___ end.
- Watson and Crick developed a model of DNA in which the two strands twist into the shape of a _________________.
- DNA consists of two antiparallel strands of nucleotide chains held together by