How many codons are involved in the above mRNA?

Transcribe and translate the template strand of DNA below.  The intron sections are indicated by the italic bold type. Use the codon sheet below to help answer the following questions (38-45). T A C G G A CCAAGATC G T A T C A AGGCTATTACGGA C C A C A A A T T Which of the following is the second amino acid?

All insertion or deletion mutations lead to a change in the amino acid sequence. True or false.

One out of 10,000 babies born in North America is affected by cystic fibrosis, a recessive condition. Assuming that the North American human population is in Hardy-Weinberg equilibrium for this trait, what percentage of the population is heterozygous for this trait?

Explain how natural selection, gene flow, and genetic drift lead to the change in allelic frequency in a population.

Currently there are few predators of Galápagos marine iguanas. If predators (for example, cats) that preferably catch and eat the larger, slower iguanas are introduced to the island, iguana body size is likely to _____ in the absence of other factors; the iguanas would then be under _____ selection.

The level of microevolution is the:

X linked disorders are more common in ______ because they have only 1 copy of the ____ chromosome.

What process during prophase I of meiosis allows for recombination of genes?

According to Darwin, _______ is the primary mechanism for evolution.