Genetics

Xeroderma pigmentosum is due to a defective ___. a. Oncogene b. Tumor suppressor gene c. DNA repair mechanism DNA repair mechanism Cervical cancer is associated with a. Epstein-Barr Virus b. HIV c. HPV d. Hepatitis B virus e. Hepatitis A virus HPV Transcriptionally acive DNA is _______ tightly coiled than DNA that is not being transcribed. a. Less b. More Less A population was scored for the MN blood type locus. There were 78 Type M, 458 Type MN, and 155 Type N individuals in the...

_______ was founded in the 1970s to address moral issues and controversies that arise in applying medical technology bioethics a trait of disorder that is multifactorial is Caused by one or more gene plus environmental influences one way to study the human genome is to determine to DNA sequence Nacho suffers from terrible migraine headaches. He enters a clinical trial to test whether certain single nucleotide polymorphisms (SNPs) are associated with response to one drug but not another. Th...

What is the molecular mechanism for imprinting a gene? a. acetylation b. methylation c. phosphorylation d. mutation e. nitration B Genomic imprinting most commonly uses____ to ____genes. Select one: a. acetylation : activate b. methylation : activate c. phosphorylation : activate d. methylation : deactivate e. phosphorylation : deactivate D Individuals with three copies of most autosomes do not survive. Individuals with an extra X chromosome, however, survive with relatively mild ...

Gregor Mendel an Austrian monk who worked with pea plants to create the foundation of modern genetics Mendel's experiment results/laws found out/discovered: principle of dominance, segregation, true-breeding, Punnett square (Chapter 11-Sec 1) principle of dominance states that some alleles are dominant and some are recessive genetics the science of heredity, dealing with genes and how they act in an organism heredity the transmission of genetic characteristics from parents to offspri...

What early concept of heredity proposed that genetic information in the form of particles called gemmules travels from different parts of the body to reproductive organs? Pangenesis What are the multiple forms of one gene called? Alleles What is the evidence for early understanding and application of the principles of heredity? the domestication of plants and animals What is the complete set of genetic instructions for an organism? its genome Who discovered the basic principles of heredi...

Expected Phenotype ratio of dihybrid cross 9:3:3:1 Flower color in a plant you are studying is produced through a series of enzymatic reactions. In one step, controlled by the P locus, a yellow pigment is altered to be pink. There is a recessive p allele at that locus and the yellow-to-pink alteration is not made. Individuals with the pp genotype have yellow flowers. In the next step, controlled by the R locus, the dominant trait modifies the pink pigment to be a deep red. If you perform a ...

1. True (mark A) or false (mark B): Both animals and plants are eukaryotes. A 2. Animals are _______. a. Prokaryotic b.Eukaryotic c.Neither eukaryotic nor prokaryotic d.Both eukaryotic and prokaryotic B 3.Most animals are primarily composed of __________. a.Haploid cells b.Somatic cells c.Gametes B 4.A genome is ___________. SG1 #5 a.The information needed to make a single protein b.The total collection of proteins needed to make an organism c.A chromosome d.The total collection...

The preinitiation complex forms in bacteria when the start codon is recognized through binding of 16srRNA and what region of mRNA? a. Shine-Delgarno sequence b. Kozak sequence c. 5'-UTR d. Poly-Adenylation site e. CATAAT a. Shine-Delgarno sequence During translation initiation in eukaryotes, the amino acid on the initiator tRNA is: a. Acetylated methionine (aMet) b. added using ATP as the energy source c. methionine (Met) d. IF-1 e. N-formylmethionine (fMet) c. methionine (Me...

The punnett square shows that the gene for pea shape and and the gene for pea color are linked The principles of probability can be used to predict the traits of the offspring produced by genetic crosses A punnett square shows all the following except the actual results of a genetic cross In the P generation, a yellow pea plant was crossed with a green pea plant. If alleles did not segregate during gamete formation all of the F1 plants would be green Gregor Mendel's principles of gene...

Discuss the concepts of homologous chromosomes, diploidy, and haploidy. What characteristics do two homologous chromosomes share? Homologous chromosomes are similar, but not identical. One comes from mom and one from dad. They carry genes for the same inherited characteristic, may of which carry different versions of the same gene. Two homologous chromosomes share position of the centromere, type/location of genes, and length/shape. Diploidy- means that both members of a homologous pair are pre...