Author: Anonymous

Below is a pedigree that shows the inheritance of a genetically inherited condition. This is the same pedigree that you saw in Q46. What is the genotype of the individual indicated by the arrow?   

In meiosis, sister chromatids separate during _____________.

Which stage of mitosis is shown in the image below?

Below is the pedigree of a family where some individuals are affected with a mild condition of the skin. What is the mode of inheritance?

What is the function of DNA helicase during DNA replication?

A tRNA molecule has the anticodon 3′ – UCG – 5′. Which amino acid does it carry?

A mutation occurs in DNA, which subsequently alters the mRNA as follows:sequence before mutation: 5′- AUG CCA GUC UGG UAA – 3’sequence after mutation: 5′ – AUG GCA GUC UGG UAA – 3’What type of mutation is it?  

In pea plants, the allele for yellow seeds (Y) is dominant to the allele for green seeds (y), and the allele for round seeds (R) is dominant to the allele for (r) wrinkled seeds. With respect to these two genes, how many different gametes can an individual with the genotype YyRr produce?

Achondroplasia is a type of dwarfism that shows autosomal dominant inheritance. Thomas has Achondroplasia and is heterozygous. Beth has the normal phenotype. What is the probability that Thomas and Beth will have a child with the normal phenotype?

Which of the following base pair relationships occurs in DNA?