Describe how embryonic development determines certain coat patterns in animals.

Q: The toolkit genes generally regulate_____ [A]_____ in order to direct development. Other…

A: The Central Dogma of molecular biology is a framework that describes the flow of genetic information…

Q: Mention the functions of feathers?

A: The members of the group vertebrate are fishes, amphibians, reptiles, birds and mammals. The birds…

Q: How might differential expression of and regulation by Hox genes contribute to mosaic evolution in…

A: Genome is the complete set of genetic content present in a cell. A gene is a stretch of nucleotides…

Q: Discuss the difference between Homeotic and Hox genes?

A: Homeotic genes and Hox genes are DNA sequences found in the genome of eukaryotes. They are…

Q: What selective forces might limit the stage of development at which humans are born?

A: Introduction: The evolution of humans are influenced by the following five factors: Natural…

Q: Describe the basic process of pattern formation in segmented animals. Please expain me indded with…

A: Segmented animals are those animals have repeated oragans and there body have composed of…

Q: What is a vestigial structure? What are some examples of vestigialstructures in humans and other…

A: Vestigiality is the retention during the process of evolution of genetically determined structures…

Q: Explain why tortoiseshell cats are almost always female and why they have a patchy distribution of…

A: Introduction In cats there is XX/XY system of Sex determination in which females have two X…

Q: Can Environmentally Acquired Traits Be Inherited in Mammals?

A: The genetic traits that are encoded by the genome of an organism are transmitted across generations.…

Q: Describe key events in early Drosophila developmentthat occur before segmentation is first apparent.

A: The life cycle of drosophila consists of various stages like embryogenesis, larval stage, pupal…

Q: explain epistasis in retrievers. use a punnet square.

A: Epistasis could be a development in genetics during which the result of a gene mutation depends on…

Q: which animal has 92 chromosomes?

A: Chromosomes are defined as the thread-like structures present in the nucleus of organisms. Nucleic…

Q: A bird with a brain injury that results in it losing its ability to build a nest likely has an…

A: Introduction Neurology is the study of the nervous system. It is important to know neurology because…

Q: Why is polyploidy rare in some animals?

A: Polyploidy is a condition in organism where it has more than diploid number of chromosomes.…

Q: senescence

A: Definition of Senescence: The process of gradual eradication of functional characteristics in living…

Q: What Are the Principles of Animal Development?

A: The principles of animal development provide answers to various questions that might arise in mind…

Q: Give the digrammatic representation showing V.S skin of lizard?

A: Lizard belongs to the class reptilia of kingdom Animalia. The body of a lizard is divided into head,…

Q: ____ genes are regulated by segmentation genes and control the development of specific structures…

A: 1 blank- Gap genes 2 blank- homeodomain

Q: Within a diploid animal species, what are potential sources of variation in shared, heritable…

A: Mitosis is equational division, it does not lead to variation. When changes occur in somatic cells…

Q: Should molecular traits be used to classify human begins?

A: Molecular traits include gene expression , methylation and metabolite levels.  Classification…

Q: Briefly describe the structural and biological features of each of the five classes of human Ig with…

A: Immunity expressed against various foreign antigens by the human body is of two types. 1. Natural…

Q: Explain How can increased genetic variation help some offspring survive?

A: Introduction The difference in DNA between individuals or between populations is referred to as…

Q: Explain how heterochrony could lead to the development of a long neck in giraffes, compared to its…

A: Heterochrony is also known as change in development timing and it is an important mechanism of…

Q: describe one way in which limb development in Acanthostega could differ from that in modern…

A: A group of extinct stem-tetrapods called Acanthostega was among the first vertebrates to exhibit…

Q: Define senescence. How would you measure senescence?  compare and contrast the two basic theories on…

A: The process of the growing old. In the  biology, the  senescence is a process by which the  cell…

Q: Define adaptation and selection pressure. Why are theseconcepts important in understanding human…

A: Anatomy and physiology are branches of science that deal with the body's internal and external…

Q: Discuss briefly the uniqueness of mammalian cleavage

A: -Cleavage can be described as repeated mitotic division of the cell resulting increasing number of…

Q: . When DNA helicase is active, the result is: - annealing of RNA primers to the DNA - formation of…

A: DNA i.e. deoxyribonucleic acid it present inside the cell. It contains genetic information . And DNA…

Q: Do all of them please True/False: 24) Studies of invertebrate and vertebrate development suggest…

A: Since you have posted a question with multiple sub-parts, we will solve the first three parts for…

Q: What are some of the applications of animal reproduction and development in the real world?

A: Procreation is another term for reproduction. This is the biological process by which navel…

Q: At what stages in the development of a human has the evolutionary process introduced genetic…

A: The evolutionary process introduces genetic diversity at several stages during the development of a…

Q: How do changes in development create new body forms?

A: Embryonic development is the development of plant or animal embryos, which is otherwise known as…

Q: goat but are

A: introduction  knowledge of the peripheral nervous system and vertebral column anatomy is important…

Q: How did we discover that selector genes specify which adult structures will be formed by body…

A: Homeotic genes- Homeotic genes or the selector genes are the key regulatory genes in the formation…

Q: What is developmental biology?

A: Introduction Biology is the study of life as a science. It is a broad-ranging natural science with…

Q: ferent class

A: Introduction  Creatures having a place with class Mammalia are alluded to as warm blooded animals.…

Q: clarify how wild-type alleles of genes control cell growth, cell communication, and the emergence of…

A: Genes encode proteins and these in turn guide the cell how to perform their function.

Q: Differentiate ancestral traits from derived traits

A: Traits are characteristics or a quality belonging to an individual. These traits are genetical…

Q: heterosis and the trait classification of animals

A: The trait is a remarkable characteristic of quality exhibited by an organism.  Heterosis is the…

Q: What is the gene hierarchy? What are the gene groups that are included in the gene hierarchy in…

A: A set of morphological and developmental traits that are generally integrated into a functional…

Q: How are the mammalian Hox genes related to the homeotic genes of Drosophila?  How do the Hox genes…

A: Hox genes are found in bilateral animals including Drosophila and humans. Hox genes are a subset of…

Q: What are the genetic changes thatallow the repurposing of existing bodyparts during evolution? For…

A: Evolution is a process that results in changes in the genetic material of a population over time. It…

Q: How do plants and animals differ in the ways their cells adhere, communicate, and differentiate…

A: First of all we have to be need better understanding of cell adhesion,cell communication and cell…

Q: Which of the following will you consider as having the highest potency? A Neuronal progenitor cell B…

A: Totipotency is the ability of a single cell to divide and produce all of the differentiated cells in…