Molecular Basis of Inheritance Questions and Answers

1 Antibiotics are medicines that are used to fight bacterial infections These medicines kill prokaryotic cells without harming human cells What part or parts of the bacterial cell do you think antibiotics target Why

The megaplate video is an example of which form of horizontal gene transfer often observed in bacteria

Which sentence describes a bone cell and a nerve cell in a person s body A They have identical DNA but each cell expresses a different set of genes B They have the same genes and all of those genes are expressed C Each cell contains only the genes that are needed for its unique function D Their genes change as their structures change during cell differentiation

In the lac operon if lactose is present the repressor is active and the operon is A turned up C turned on B turned off D excised

RNA modification leaves the exons intact because these are the portions that will be as a phenotype A interpreted C expressed B excised D intercalated

A The trait is eye color P wild type female x white w male If the F1 result is 15 wild type females and 10 wild type males the phenotypic ratio is wild white 3 1 B 1 0 C 1 1

A horse and a donkey can interbreed but they are considered different species because A they look different B their offspring are sterile C they produce a mule D of their ecosystem options

A In this DNA fingerprint how many bands does the main suspect share with the crime scene CS result B C CS 1 2 3

In eukaryotes RNA polymerase is prevented from completing transcription by factors A silencer transcription B silencer translation C methylation

Which of the following is NOT a form of post transcriptional control A B RNA processing Spliceosome C siRNA and miRNA D Rnase

The regulatory gene of an operon codes for the production of a n A promotional protein B enhancer protein C repressor protein D operon

In terms of gene expression genes have the control to be A turned on and off B expressed genotypically C expressed without energy use D removed

If the P1 is AaBb x aaBb what is the probability of having an offspring that is aabb A 1 16 C 1 2 B 1 8 D 1 4

In terms of evolution oognesis can be to the organism as its resources can be focused towards individuals deleterious B advan tageous selected against

Part 4 Mutations How does mutation in a bacterial genome contribute to the development of antibiotic resistance

6 Describe meiosis and identify diploid to haploid cells Give the stages of the process 7 When during meiosis do you have crossing over 8 How is mitosis and meiosis different List 3 ways 9 DNA controls the cell by coding for proteins how does this information get out to the cell so it can make proteins