4. Some stages in the development of an individual are listed here. A = differentiation of cells into tissues, B = fertilization of egg by sperm, C = organ development, D = mitotic cell division of zygote.. Which sequence represents the correct order of these stages? *

Q: What are morphogens, exactly? Explain how they affect the patterning of tissue throughout embryonic…

A: Pattern formation is a development process by which the cells acquired different identities…

Q: List the stages of fetal development and what happens at each stage.

A: A female body goes through a reproductive cycle every month. This cycle can end in mainly two ways :…

Q: 5) List the stages of fetal development and what happens at each stage.

A: Every month, a female body goes through a reproductive cycle. This cycle can terminate in one of two…

Q: 1. Summarize the events that occur from the fertilization to the development of an embryo. In plants…

A: Note: Please upload 2nd question separately.  Answer: Introduction: Fertilization is mixture of…

Q: 3. Complete the following table with the number of autosomes and the types of sex chromosomes found…

A: A sex chromosome is the chromosome that determines the sex of an organism. Autosomes are homologous…

Q: 12. halves the number of chromosomes normally present in body cells. A) Mitosis B) Genomic…

A: Mitosis - It is also known as equational division. Number of chromosomes remain same. Meiosis - It…

Q: Fill in the blanks and elaborate each answers.

A: Living organisms, which include humans, animals, plants, algae, fungi and other microorganisms…

Q: 5. Do other organs or organ systems develop at the same time? Are they related to the function of…

A: Question number 5 is incomplete, Hence cannot be answered. Answer 6: If the nucleus of a non-motile…

Q: During oogenesis, oogenetic inhibitors must be deactivated after full growth to allow the

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

Q: 6. Name the three major derivatives of the ectodermal germ layer.

A: The endoderm (inner layer), ectoderm (outer layer), and mesoderm (middle layer) are the three basic…

Q: II. This type of cell division occurs during the formation of both sperm and ovum. The first meiotic…

A: Answer is option d.) one secondary oocyte and one polar body.

Q: 8.The process of variation is facilitated in sexually reproducing organisms by the following: A…

A: Sexual reproduction is a type of reproduction involving two distinct and morphologically different…

Q: 4 Compare the models of the two processes. List all of the differences you can see between meiosis…

A: The M-phase (mitotic phase) of the cell cycle usually allow to satte that they are  includes mitosis…

Q: 1. What are the phases of group development and give example of each?

A: We know that Group Development means to form the association of individuals to work as a group and…

Q: 25. Which structure in development is composed of embryonic stem cells? 26. At which stage in…

A: After fertilization, the zygote and their associated membranes, which together called conceptus will…

Q: 4. During fertilization, what process allows steps 1-4 to occur, as shown here? Tail- Outer layers…

A: Fertilization is the process by which the male and female gametes fuse to form the zygote, which…

Q: Explain the significance and describe the features of fertilization and cleavage in early animal…

A: Animal embryonic development is also called as embryogenesis. After the fertilization of the zygote,…

Q: List the stages of embryonic development and what happens at each stage

A: Human fertilization occurs when the haploid sperm cells fertilize the haploid gamete. Embryonic…

Q: Each cell in the human body contains exactly the same genome, and yet a human being at maturity is…

A: A genome is an organism's complete arrangement of genetic information. Every genome contains all of…

Q: 1-Propose continuous growth. an example of an (non-insect) animal with indirect post-embryonic…

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

Q: 5. In the Diagram to the left for each of the abeled ayer. (ectoderm, endoderm or mesoderm) organs…

A: During the process of gastrulation three embryonic layers are formed by which different organs and…

Q: 4. a. Briefly explain how the mutation in one gene can trigger a cascade of genetic impacts in the…

A: The structure, morphology and behavior of organisms are dependent upon its genes. These genes are…

Q: 5) The body symmetry that allows for the body to be bisected into equal halves in only one plane is…

A: 5) The body symmetry that allows for the body to be bisected into two equal halves in only one plane…

Q: 5. Describe the difference between how identical twins and fraternal twins (non-identical) produced…

A: Introduction :- The term "twins" refers to two children born from the same pregnancy and delivery.…

Q: 2. How does Meiosis work?

A: The fundamental and active biological process by which a parent cell, after replicating of its…

Q: 1. In what ways does the fetal period of development differ from the embryonic period of…

A: Foetal development and embryonic development are the 2 important stages in the life cycle . Due to…

Q: 9. It give some ideas on the developmental stages of certain animals * Chemical embryology…

A: It is related to developmental biology and embryology in which different stages of development of an…

Q: 4. Sarcomas and hematopoietic cancers are both derived from which germ layer? A. Ectoderm B.…

A: "Cancer" is a fatal disease that has both physical and mental consequences for a person. Cancer can…

Q: Zygote Embryo Muscle cells Intestinal cells Liver cells Blood cells Nerve cell Cardiac cells (1)…

A: The picture is showing the formation of different kinds of tissue from the single called zygote.

Q: 3) Fill in the Venn Diagram comparing and contrasting Sexual and Asexual Reproduction. Have at least…

A: Reproduction is the process by which parents create new people or children. This procedure assures…

Q: 1. Compare and contrast the embryonic development of the starfish and the sea urchin.

A: Embryonic development: all the developmental processes from zygote to tissues and organs.

Q: 4. As the embryo develops, what do the amnion and the yolk sac become, respectively? a. A sac that…

A: The amnion is filled with the amniotic fluid due to which the amnion expand and provides protection…

Q: List the stages of development once the egg is fertilized

A: The cycle in which a life form creates from a solitary celled zygote to a multi-cell creature is…

Q: 4. Look at the structures that the arrows point to below. What do these structures become once…

A: The structure shown in the above picture is termed as ovules.

Q: 1. Which of the following layers protect the mammalian oocyte during ovulation? * a. cortical and…

A: Structure of mammalian Oocyte:  mature mammalian Oocytes have many layers before ovulation- Follicle…

Q: 7. Which sequence represents the correct order of events for the formation and development embryo?…

A: Reproduction is the process which is responsible for producing the young ones.

Q: 3.' To determine the effect of the bicoid gene, scientists injected bicoid mRNA into the posterior…

A: Introduction  Bicoid is a morphogen that regulates the expression of genes in the anterior of a…

Q: 9. Some biologists contend that the term double fertilization is a misnomer and that the process…

A: Fertlizatiion is the process of the male gamete, sperm, fusing with the female gamete, the ovum,…

Q: What is the difference between isolecithal and telolecithal? How may these features affect the…

A: Since there are multiple question in this particular question, I will answer your first one for you…

Q: 1. In Deuterostomes, nutrient molecules (monomers) are taken into the space between the endoderm and…

A: Question -1. In Deuterostomes, nutrient molecules (monomers) are taken into the space between the…

Q: What are the importance of meiosis

A: Since we only answer 1 question in case of multiple question, we’ll answer the first question as the…

Q: What is the primary purpose of the fertilization membrane? a)Provide the growing embryo with food…

A: Sperm and egg (ova) are male and female gametes respectively. Fertilization is key process in sexual…

Q: 5. List the stages of fetal development and what happens at eache stage

A: The sperm fuses with an egg to give rise to a zygote. Both sperm and egg are haploid, but the zygote…

Q: 1. What is the sex of a pigeon and the crest of a pigeon a product of?

A: We are answering first question only. Fir rest of questions pls repost.

Q: 17. A researcher discovers a certain genetic disorder is appearing more often in males than in…

A: Genetics is the study of genes, their interactions, and the effect of environment on genes. Broadly…

Q: 3. List the stages of development once the egg is fertilized.

A: Animal development is the process in which a fertilized egg undergoes cell division and cellular…

Q: 1.Define a life cycle. 2. Explain briefly the difference between asexual and sexual reproduction. 3.…

A: Cells are the elemental unit in level of body organization . Numerous cell combine to form tissue…

Q: 7. Some animal species are completely or primarily asexual. What are two conditions that appear to…

A: Introduction:- Asexual reproduction produces offspring in certain animals, while sexual reproduction…

Q: Outline the events of oogenesis. Why is oogenesis a significant process for egg production

A: A small group of cells in the outer region of the cortex are developed into millions of primordial…