During the observation of a baby the diagnosis of Down's syndrome was made. What is the main cause of this pathology? Select one: O a. Trisomy on the 13-th chromosome. O b. Trisomy on the 21-st chromosome. O c. Trisomy on X chromosome. O d. Monosomy on the 1-st chromosome. O e. Undivergence of sex chromosomes.
Q: QUESTION 9 In some species of fish, a forked tail fin is dominant to a continuous tail fin. Fish…
A: The gene pool of a species in a population never changes untill they mate randomly in that…
Q: Define membrane transport proteins.
A: Introduction :- A membrane transport protein is a protein involved in the transfer of ions, small…
Q: 7. Which are characteristics of a cockroach? A. I & II B. II & III C. I & III D. II & IV
A: Which are the characteristics of cockroach?
Q: 3. GABA is commonly introduced as the most prominent inhibitory neurotransmitter in our brains.…
A: Biology terms refer to key concepts and phrases used in the study of life and living beings, also…
Q: 5. These are accessory organs that facilitate the digestion in vertebrates. A. spleen and lymph…
A: Digestion is the process of breaking down complex food materials into simpler forms. These simpler…
Q: The transcriptional complement of the DNA strand with the code 3’ TAA-CAT-GCT 5’ is
A: Introduction :- A region of DNA opens up during transcription. One strand, known as the template…
Q: How are polyribosomes on theendoplasmic reticulum membranearranged so that the next…
A: Introduction :- The endoplasmic reticulum (ER) is a continuous membrane system in the cytoplasm of…
Q: Table 1. Experiment plan for testing efficacy of different dilutions of detergent as an insect…
A: Insecticide Insecticides are the class of compounds that kill or inhibit the growth of insects.…
Q: MAtch these drugs according to their functions below Cell wall synthesis inhibitors 50s Ribosomal…
A: Introduction Antibiotics are antimicrobial substances that are active against bacteria. Antibiotic…
Q: define cross-contamination and describe what may happen as result of eating contaminated food
A: Microbiology is the study of living organisms known as microbes that are invisible to the naked eye.…
Q: DNA-driven DNA synthesis forms hydrogen bonds with antisense bases. True or False?
A: Hydrogen bonds occur between the two strands and involve a base from one strand to the second in…
Q: How is the cell cortex regulatedlocally and globally to coordinate itsactivities at different places…
A: The cytoskeleton is an extensive structure that provides shape, strength, and motility to a cell.…
Q: hapsburg jaw/lip?
A: A Hapsburg jaw is a specific facial deformity that is marked by a very elongated and prominent lower…
Q: Fertilization primarily occurs in the oviduct yet implantation usually occurs in the uterus. Why?
A: Sexual reproduction refers to the form of reproduction that occurs through the union of male and…
Q: Examine the pedigree chart shown below. For each individual, write the genotype in the square or…
A: Since you have asked multiple subparts questions, we will solve the first three sub-parts for you.…
Q: Fully explain in the form of a detailed and annotated diagram how DnaK is involved in the heat shock…
A: Heat shock response is considered as the stress response of cell which leads to incline in the…
Q: Which of the following statements is TRUE? O In comparison to other animals, humans can't. alter…
A: We, human beings, call our environment Mother Nature but recently there has been a steady decline in…
Q: 2. Explain why one molecule of water has polar covalent bonds.
A: Water is polar because of its bent shape due to its molecule. As we know that water molecule is…
Q: shape. Observe the pedigree. Number the generations and each person on the pedigree. In this family,…
A: The pedigree diagram shows the inheritance pattern of possible genotypes and phenotypes in a family.…
Q: Given the following values: ERV=1700mL ERV + TAV= 2200 mL VC= 3000 mL 1) TAV ( TV)= tidal volume=…
A: Minute ventilation, also known as total ventilation, is a measurement of the amount of air that…
Q: Agriculture engineering involves improving tools and processes in the food supply chain using…
A: Science is humanity's greatest blessing. It has altered human existence; nothing finer could have…
Q: Complete the table
A: To produce offspring, sexual reproduction requires the fusion of two gametes, each with a complete…
Q: Statement explaining why plastics can accumulate in the ocean over time for kids like use simple…
A: The accumulation of plastics on beaches and in oceans has become a crisis. Billion pounds of plastic…
Q: Compare and contrast the roles of cells and proteins involved the a) the innate and b) the adaptive…
A: Multicellular organisms' ability to outlast harmful germs is known as immunity. There are specific…
Q: What were the goals of the Gay Men’s Health Crisis group? A. to help gay men in New York City…
A: As our immune systems operate, the body works to keep illnesses at bay. If bacteria enter the body…
Q: QUESTION 4 Which of these is not a component of the plasmid cloning vector O a. tetR O b. lacZ gene…
A: A vector is a tool to replicate foreign DNA into a host organism with the help of recombinant DNA…
Q: MUTATIONS Match the words with their definition. 1. Mutation 2. Mitosis 3. Crossing Over 4. Mutagen…
A: Introduction Mutation:- It occurs when a DNA gene is damaged or changed in such a way as to alter…
Q: Match each DNA Replication enzymes on the left with its function I) DNA Ligase II) DNA Polymerase II…
A: Introduction The process by which a double-stranded DNA molecule is copied to produce two identical…
Q: genotypes and phenotypes of the children of a heterozygous mother and a recessive father?
A: Dominant and Recessive allele A dominant allele masks the expression of another allele called the…
Q: What are the major differences between angiosperms and gymnosperms? What are their relationship with…
A: Introduction Angiosperms and gymnosperms are seed-bearing plants that share some characteristics.…
Q: You tested that a pineapple pie has 4 million of bacteria V in it. The baker did not wash his hands…
A: Given information The initial concentration of bacteria V= 800 cells After 5 hours the…
Q: Often, humans introduce non-native species either by accident or on purpose. Describe the unforeseen…
A: Ecological succession - Process by which the organisation of a biological community changes over…
Q: Thousands of caspase substrateshave been identified. Which onesare the critical proteins that mustbe…
A: Introduction Apoptosis is known as programmed cell death. Whenever there are any lethal chromosomal…
Q: What are the main functions of the stem?
A: Stem It is one of structural axes of a vascular plant. It constitutes different types of tissue…
Q: 1.What does a male cricket need to be able to reproduce? 2. Is calling good or bad for a cricket's…
A: As per our guidelines, we are supposed to answer only three sub-parts. Kindly repost the question…
Q: Biology Question
A: Genetic counselor-a person who uses pedigrees, punnett squares, and karyotypes to determine the…
Q: if it is short day plant or long day plant. explaiin why. A. Bleeding heart plant flowers in May…
A: Short and long-day plants Short day plants are those that require a long duration of darkness and…
Q: S English S Takei 8 E Nama E Lists, L S English S Takei 8 S English S 10-BC Home ENama Eupho S…
A: Everyone has two copies of the genes, one from the mother and other from the father. Even if mother…
Q: Darwin and the Theory of Evolution-V2 So how and why did Charles Darwin come to develop his…
A: Charles Darwin gave the theory of natural selection. According to this theory the fittest organisms…
Q: Variations in Gene Expression In humans, the glucose-6-phosphate dehydrogenase (G6PD) gene involved…
A: The gene that codes for G6PD is located in the distal long arm of the X chromosome at the Xq28…
Q: I need the answer asap plsss!!! I know it’s not the first one
A: Introduction:- In biology, the definition of the environment is where an organism lives or where it…
Q: sequence below use sequence and encountered a point mutation:…
A: Transcription It is the process of transcribing the sequence from the DNA strand into the mRNA…
Q: Describe cell-to-cell communication in the nervous system, use diagrams to illustrate your answer.
A: Introduction The cell is the most fundamental structural and functional unit of life. Cells are the…
Q: A substance require by humans in small quantities are
A: Introduction A nutrient is a substance that an organism requires in order to survive, grow, and…
Q: Bacteriophage lambda is as one of the routinely used molecular cloning vectors, which alsoserved as…
A: Gene cloning is a process in which our gene of interest is located into the gene and copied (cloned)…
Q: 2. Describe one function, brought about by the process of meiosis that spermatogenesis and oogenesis…
A: Introduction The process by which diploid precursor cells undergo meiotic division to generate…
Q: QUESTION 4 In some species of fish, a forked tail fin is dominant to a continuous tail fin. Fish…
A: According to Hardy Weinberg Equilibrium , population cannot evolve when migration is absent , random…
Q: Graph 3: The following data were collected during a drug trial testing antibiotics on methicillin-…
A: In vitro tests are used to determine antibiotic susceptibility in bacterial isolates. One method…
Q: Provide the conditions (e.g., intrinsic properties, storage conditions, etc.) that will make the…
A: Conditions essential for recovery of microorganisms from the sterile foods.
Q: 1. How many spermatids are formed from 10 spermatogonium B? a. 20 b. 40 c. 80…
A: Each spermatogonium transforms into primary spermatocyte. This forms two secondary spermatocyte by…
Step by step
Solved in 2 steps
- Which of the following is the most common type of chromosomal disorder? O a. Kleinfelter's Syndrome O b. Cri-du-Chat Syndrome O c. Edward's Syndrome С. O d. Patau Syndrome O e. Turner's SyndromeChange in chromosome numbers will lead to abnormalities. Which of the following is a correct match between the chromosome number and the syndrome? A. Trisomy 18 : Patau syndrome B. Monosomy 18 : Turner syndrome C. XXXY : Klinefelter syndrome D. Trisomy 21 : Edward syndromeIf a recessive mutation occurs in a male on an X chromosome versus a Y chromosome, leading to sterility, what are the relative chances of this male passing the mutation on to his son? а. О:1 b. 1:0 c. ½:½ d. 1:1 e. None of the above
- During the pathoanatomic inspection of a baby-boy's dead body the following abnormalities: polydactily, microcephaly, a cleft lip and cleft palate, hypertrophy of the parenchymal organs were found. These symptoms are typical of Patau syndrome. What is the cause of this disease? Select one: a. Trisomy on the 21st chromosome. O b. Trisomy on the 18th chromosome. c. Trisomy on the 13th chromosome. d. Trisomy on X chromosome. e. Monosomy on X chromosome.Match the terms with the best description. ___ dihybrid cross a. bb ___ monohybrid cross b. AaBbAaBb ___ homozygous condition c. Aa ___ heterozygous condition d. AaAaIn humans, the number of chromosomes per set equals 23. Eventhough the following conditions are lethal, what would be the totalnumber of chromosomes for an individual with each condition?A. Trisomy 22B. Monosomy 11C. Triploidy
- Which of the following terms should not be used to describe ahuman with three copies of chromosome 12?A. PolyploidB. TriploidC. AneuploidD. EuploidE. 2n + 1F. Trisomy 12Explain the process of the following: a. The normal segregation of chromosomes during Meiosis 1 and Meiosis 2 in MALE. b. The abnormal segregation of chromosomes during Meiosis 1 and Meiosis 2 in FEMALE.Help me
- Examination of a karyotype reveals 23 pairs of chromosomes, with each homologous pair illustrating similar size and centromere location. Which of the following can be concluded from this karyotype?a. The individual has Down syndrome.b. The individual is a female.c. The individual does not have cystic fibrosis.d. The individual does not have sickle-cell anemia.In a karyotype of a man whose wife has had several miscarriages, it was discovered that he had onlv 45 chromosomes. However, he displayed no obvious phenotypic defects. Furthermore, one of the chromosomes of pair 15 was abnormally long. Which of the following terms best describes the condition of this man? a. monosomy b,. trisomy c. tetrasomy d. translocation carrier e. edward syndormeThe physical cause of the law of independent assortment for genes on the same chromosome is which of the following? Group of answer choices A. crossing over B. separation of homologous chromosomes in mitosis C.separation of sister chromatids in mitosis D. separation of sister chromatids in meiosis E. separation of homologous chromosomes in meiosis