Dihybrid cross Study guides, Class notes & Summaries

BIO 182 Exam 2 Questions & Answers 2023 In a simple Mendelian monohybrid cross, true-breeding tall plants are crossed with short plants, and the F1 plants, which are all tall, are allowed to self-pollinate. What fraction of the F2 generation are both tall and heterozygous? a. 1⁄8 b. 1⁄4 c. 1⁄3 d. 2⁄3 e. 1⁄2 e. 1⁄2 The phenotype of an individual a. depends at least in part on the genotype. b. is either homozygous or heterozygous. c. determines the genotype. d. is the ge...

BIS 2B Midterm 2 Exam Review With 100% Correct Answers 2023 Mendel - Correct Answer-Augustinian monk and botanist whose experiments in breeding garden peas led to his eventual recognition as founder of the science of genetics () blending model - Correct Answer-Blending model: Offspring are a blend of both parents (i.e. in modern terms, alleles would blend together to form a completely new allele) The characteristics of the blended offspring are passed on to the next generation Variation i...

BIO 123 Final Exam Questions With Correct Answers Latest Updated 2023/2024 Graded 100%. In what part of the cell do the translation repressor protein and the proteasome work? Select one: a. on the nuclear membrane b. within the ribosome c. in the cytoplasm d. on the plasma membrane e. inside the nucleus The correct answer is: on the nuclear membrane What is likely to happen if you follow a low-fat, high-carbohydrate diet? Select one: a. you experience no change in body weight because y...

BIO 123 Final Exam Questions With Answers Latest Update Graded A+. What is likely to happen if you follow a low-fat, high-carbohydrate diet? Select one: a. you experience no change in body weight because your body will not receive enough lipids to synthesize fat b. you lose weight because you must consume lipids in order to synthesize fat ! c. you gain weight because intermediates from cellular respiration can be converted to fat d. you gain weight because you will retain water e. you los...

BIS 2B Midterm 2 Exam Review With 100% Correct Answers 2023 Mendel - Correct Answer-Augustinian monk and botanist whose experiments in breeding garden peas led to his eventual recognition as founder of the science of genetics () blending model - Correct Answer-Blending model: Offspring are a blend of both parents (i.e. in modern terms, alleles would blend together to form a completely new allele) The characteristics of the blended offspring are passed on to the next generation Variation i...

Breakdown of blank started in S intestine - fats Blank carries sperm and urine - urethra What part of the kidney contains the glomerulus of a nephron? - Cortex Which abx-secreting cells are triggered to proliferate upon vaccination? - BLymphocytes What produces ammonia by deamination in the liver? - Proteins (amino acids) Cross between 2 heterozygous F1 plants produces a ratio of 15:1 in F2 offspring. What is the ratio? - Modified dihybrid ratio Matter where components can't be broken do...

Bio 202 EXAM 3 QUESTIONS AND CORRECT DETAILED ANSWERS How is recombinant DNA technology used to clone the human GH gene? 1st step! - ANSWER 1. use PCR to obtain the gene (Simply cutting the DNA with restriction enzymes would not be an effective way to isolate a specific gene. The genome would be cut into so many fragments, if you ran a gel it would be a smear! Which fragment is yours? You would need hybridization to isolate your fragment. Wouldn't have much DNA- not like the amo...

mitosis - Answer-division of the nucleus -results in two identical daughter cells -direct duplication of genetic material -no change in chromosome number -10% of cell cycle interphase - Answer-90% of cell cycle -3 phases: G1, S, G2 G1 - Answer-chromosomes unfold, organelles multiply, membranes are synthesized S - Answer-chromatin is replicated G2 - Answer-preparation for cell division centromere - Answer-specialized region of the chromosome where sister chromatids are attached phragmo...

Respiratory System Oxygen/carbon dioxide exchange (Lungs, trachea, larynx, nasal cavities, and pharynx) Breakdown of which of the following begins in the small intestine? A. Fats B. Fiber C. Proteins D. Carbohydrates A. Fats Which of the following is the tube that carries both sperm and urine for release outside the body? A. Ureter B. Urethra C. Vans deferens D. Epididymis B. Urethra Which of the following is the region of the kidney that contains the glomerulus o...

Epistasis refers to - The expression of one gene masking the expression of another. Which statement about a dihybrid cross is true? - It is a cross between identical double heterozygotes Which statement about mitosis is true? - Two genetically identical daughter cells are formed. Separation of the alleles of a single gene into different gametes is called - Segregation A mechanism for increasing the genetic diversity of offspring is - Sexual reproduction. In mitotic metaphase, a cell with e...