Download Genetics Final Exam Exam 2024-2025. Questions & Correct Answers. Graded A+ and more Exams Genetics in PDF only on Docsity! Genetics Final Exam Exam Questions & Answers 2024- 2025. Questions & Correct Answers. Graded A+ 2 tRNA molecules occupy sites on a ribosome. The amino acids they carry are joined by a peptide bond. What happens next? - ANSthe tRNA in the 1st site detaches and leaves the ribosome a frameshift mutation is caused by? - ANSa one-base insertion a karyotype does not provide information about what? - ANSlocation and type of single nucleotide substitution mutation centromeres - ANSconnect sister chromatids and attach chromosomes to spindle fibers haploid gametes contain? - ANShalf the 2n chromosome number how does polyploidy differ from aneuploidy? - ANSpolyploidy involves changes in entire chromosome sets; aneuploidy involves less than a diploid set of chromosomes how many functional sperm does 1 primary spermatocyte produce? - ANS4 if 2n=6, how many chromosomes will be present in a cell at the beginning of meiosis II? - ANS3 if an organism has a diploid chromosome # of 4, how many chromosome pairs will be visible in metaphase I of meiosis? - ANS2 in the cell cycle, the G1 phase represents? - ANSa period of growth in the watson-crick model of DNA, the polynucleotide chains are? - ANSoriented in opposite directions nucleosomes are complexes of? - ANShistones and DNA pieces of what are exchanged during crossing over - ANSa chromatid of the maternal chromosome and a chromatid of the paternal chromosome PKU is caused by? - ANSthe accumulation of phenylalanine ribosomes are organelles that function in? - ANSprotein synthesis the basic unit of a DNA molecule is the? - ANSnucleotide the polynucleotide strands of DNA are held together by... - ANShydrogen bonds the process of mitosis results in? - ANSthe production of 2 genetically identical cells the transfer of info from nucleotides in DNA to amino acids in a protein occurs in 2 steps - ANStranscription and translation watson and crick received the nobel prize for? - ANSsolving the structure of DNA What is one difference between amniocentesis and chorionic villus sampling? - ANSchorionic villus sampling can be preformed earlier than amniocentesis what is the 5' and 3' end attached to on a polynucleotide chain? - ANS5' = phosphate 3' = OH what is the fate of the introns in pre-MRNA? - ANSthey are discarded what is the function of DNA polymerase? - ANSit adds DNA nucleotides to a replicating strand what is true about tRNA - ANSit brings specific amino acids to ribosomes during translation what is true about tRNA and their