A child has blood group O. If the father has blood group A and mother blood group B,work out the genotypes of the parents and the possible genotypes of the other offsprings.

Q: What is the correct path through the circulatory system, which describes the passage of blood origin...

A: Option A is correct 

Q: Activated B cells leave lymph nodes and move into bloodstream Activated B and T cells exit the blood...

A: Arrangement in chronological order.. 7 1 8 2 3 4

Q: What are the evolutionary adaptations of the members of the phylum (Cnidaria)?

A: Cnidaria is a phylum within the kingdom Animalia that contains approximately 11,000 species of aquat...

Q: For each of the following situations, indicate which type(s) of lymphocyte(s), if any, would be expe...

A: The lymph vessels enter the nodes at the outer edge, between the capsule and the cortex, and also pe...

Q: For a certain chromosomal region, the mean number ofcrossovers at meiosis is calculated to be two pe...

A: For a certain chromosomal region, the mean number ofcrossovers at meiosis is calculated to be two pe...

Q: A patient says that she must travel on business 3 days from now to a country where hepatitis A is en...

A: A highly contagious liver infection caused by the hepatitis A virus.

Q: What is menstrual cycle? Which hormones regulate menstrual cycle?

A: In primates, the menstrual cycle is a sequence of cyclic physiological changes that occur in the fem...

Q: What’s a stomach?

A: Most of the organisms which digest food contain stomachs but many organisms that lack stomachs also ...

Q: Explain the function of the Golgi apparatus

A: This single membrane bound smooth surfaced stack of cytoplasmic tubules and vesicles, concerned with...

Q: Daughter Cells in interphase The two new cells are genetically identical to the parent but are smal...

A: Cell division includes two methods meiosis and mitosis in eukaryotes. These two mechanis...

Q: What makes an impulse move down the line…i.e. what causes the next zone to depolarize? A. the Na+/K+...

A: A neuron has the capability of receiving inputs from another neuron. If this input is strong, then i...

Q: Below is a portion of a bacterial chromosome that contains a gene. The promoter region and the +1 ba...

A: Transcription is the process of making RNA copy of gene sequence. This copy is called mRNA. Translat...

Q: In Pulliam 2000 (a paper we read for class), what aspects did the author incorporate to extend the i...

A: G. Evelyn Hutchinson has proposed the concept to characterize the ecological niche of a species as a...

Q: is the same chrosome type of the parent and daughter cells after mitosis an indication that they are...

A: Cell division It is the process through which new cells are produced. It involves two different type...

Q: Which of the following scenarios describes a positive feedback mechanism? After eating, blood glucos...

A: Amswer : the  second option is correct for showing positive feedback mechanism that is after child b...

Q: The botanist crosses a homozygous dominant plant with a heterozygous plant in a follow-up experiment...

A: Genetics is a branch of biology concerned with the study of genes, genetic variation, and heredity i...

Q: ABC transporters (a) use the energy of ATP hydrolysis to transport certain ions and sugars (b) are i...

A: ABC transporters transport ligands across cellular lipid membranes, which is critical for most aspec...

Q: Can you show the cross on how to get the answers? What is the ratio that is expected with independen...

A: When reproductive cells develop, the Principle of Independent Assortment describes how different gen...

Q: What are the genotypes of the parents in a walnut x rose mating from which the progeny is 3 rose:3 w...

A: What are the genotypes of the parents in a walnut x rose mating from which the progeny is 3 rose:3 w...

Q: Phases of meiosis Prophase I DNA coils tightly to form visible chromosomes which appear ro...

A: Both in meiosis and mitosis, prophase is the very first step of cellular division. Whenever the cell...

Q: Which measures should we practice to prevent spread and infection of Schistosoma japonicum?

A: Schistosoma japonicum is a significant parasite and one of the main schistosomiasis infecting agents...

Q: n yeast cells, telomerase remains active and maintains telomeres of about 300 base pairs. Propose wh...

A: Telomerase is an RNA-directed DNA polymerase that replicates the telomere ends of linear eukaryotic ...

Q: -wrist and ankle are type of Irregular bones O Long hollow bones O

A: Skeletal system consists of bones and cartilages. Bones and cartilages are specialized connective ti...

Q: Identify the part in a flowering plant and write whether it is haploid (n) or diploid (2n). Ovary

A: Flowering plants Highly modified shoot meant for sexual reproduction in plants.      

Q: 69. what types of energy is transferred from one object to another? potential energy  chemical ener...

A: Energy can be simply defined as the capacity to do work. Energy exists in Thermal, mechanical (kinet...

Q: QUESTION 22 Which are pathways of replication leading to population variability and Natural Selectio...

A: Mutation Sudden heritable change in genetic material or character of an organism is known as mutatio...

Q: PKS modules can add 2 or 3 carbon units to extend the polyketide chain. This molecule ses the 3 carb...

A: Carboxylated acyl-CoA precursors work as activated donors and they are selected by the acyltransfera...

Q: Fasting is the traditional practice for some religious groups. During fasting, some individuals or g...

A: Pancreas:  The pancreas is a digestive and endocrine system organ found in animals. It is a gland th...

Q: 65.what is the main function of the monosaccharide, glucose? glucose is an immediate energy source ...

A: Biological macromolecules are the substance that are needed in great amount and are metabolized to l...

Q: To produce transgenic bacteria that make insulin, which of the following steps didscientists have to...

A: Insulin is secreted by beta cells of pancreas. It allows glucose to enter the cells to provide energ...

Q: Southern and Northern blotting are powerful molecular biological tools based on hybridization of nuc...

A: There are basically 4 types of blotting: Southern blotting. Western blotting. Northern blotting. E...

Q: 25. Given the following mRNA codons and amino acids, construct a polypeptide from this DNA strand. D...

A: Transcription is a process in which the genetic information in the DNA is converted into RNA in the ...

Q: Nonsilicates are a group of minerals that DO NOT contain what two elements? A. silver and gold B. si...

A: Answer-B. Silicon and oxygen

Q: How do scientists classify organisms?

A: Introduction  There are so many of species on Earth.  Some species can be very different from each o...

Q: A gardener finds that some bean plants have pubescent leaves and others have glabrous leaves. a) Bas...

A: Mendel selected pea plants to investigate genetics because they had clearly recognizable characteris...

Q: Identify the part in a flowering plant and write whether it is haploid (n) or diploid (2n ). Ovary

A: The word 'Ploidy' refers to the number of Chromosome sets contained inside a nucleus, according to d...

Q: Illustrate with diagrams and briefly explain the proteolysis of an immunoglobulin with (i) papain, (...

A:  The glycoprotein molecules produced by plasma cells or white blood cells are known as the Immunoglo...

Q: When somatic cells undergo mitosis, what is the result? O 1. Daughter cells with different genetic c...

A:   "Since you have asked multiple question, we will solve the first question for you. If you want any...

Q: Which enzyme is responsible for the synthesis of pre-mRNA?   A. RNA polymerase I   B. RNA polyme...

A: Correct option is  B.RNA polymerase II The nucleus uses the nucleotide sequence of DNA as a template...

Q: similarties and differences between first and last. similarties and differences between 3rd and 4th.

A: Differences between Blotiella pubescense and Callicarpa americana : Blotiella is commonly known as ...

Q: Based

A: If at the start of the experiment there is one cell and at end of first-generation there will be 2 c...

Q: Compare the actions of the main types of receptors in signal transduction.

A: Signals like as protein molecules, hormones, and neurotransmitters are involved in the signal transd...

Q: IN Question Examine a few flowers of any cucurbit plant and try to identify the staminate and pistil...

A: Introduction From the above question we have to Examine a few flowers of any cucurbit plant and try ...

Q: A table comparing the biological characteristics of the five classes of immunoglobulins is shown bel...

A: Immunoglobulins are also called as antibodies which are made by white blood cell (WBC) 

Q: Below is a portion of a bacterial chromosome that contains a gene. The promoter region and the +1 ba...

A: Nucleic acid is a macromolecule that is exhibited inside the nucleus . It consists of DNA and RNA .D...

Q: A conservation biologist studied four generations of a population of rare Ethiopian jackals. When th...

A: Population size (typically abbreviated N) is the number of individual organisms in a population in p...

Q: Which of the following changes in morphology or physiology are likely to happen as an organism gets ...

A: Answer :- Option (H) is correct. - All of the above. - The changes in morphology or physiology are l...

Q: If you were Lamarck, how would you explain the long legs of this heron?

A: Jean-Baptiste Pierre Antoine de Monet, chevalier de Lamarck, often known simply as Lamarck, was a Fr...

Q: Kai Sotto is 2.18m tall and weights 105kg. Prepare high-protein diet for him with 1.2 g per K B W. C...

A: Kai Sotto :  Body description : Tall - 2.18 m. Weight - 105 kg. Profession - Basketball player. Nat...

Q: (H and E STAINING) State the purpose of the following in staining: A. XYLENE 1 AND 2 B. Alcohol Abso...

A: The H and E stain stands for Hematoxylin and eosin. Thus stain is widely used in the preparation of ...

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.