Which of the following rows correctly identifies a difference between blastocysts and morula? Select one:

Q: Which of the following rows correctly describes the process and the location of cleavage following…

A: The menstrual cycle occurs every 28 days in women and has four phases namely menstruation,…

Q: consider a pig that has only fully formed ovary. how would this affect the pig's future…

A: Anything the gilt encounters before its first mating has the potential to influence its reproductive…

Q: Why are dominant mutations in proto-oncogenes generally not inherited? A. Inherited mutations in…

A: Cancer is a condition that manifests as the unchecked growth of a collection of abnormal cells that…

Q: Which of the following is not an important component of the slow block to polyspermy Group of…

A: By reweaving the question, we have to find out which of the following is not an important component…

Q: Which of the following is not true about starfish eggs? Choose all possible answers a. eggs are…

A: Echinoderms with a star form that belong to the class Asteroidea are known as starfish or sea stars.…

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: Invagination of the sea urchin blastulaA. is preceded by changes in the shape of individual…

A: Invagination is a process occurring during gastrulation. It includes movement of cells at the…

Q: For these organisms to develop into functional offspring of that species, which one of the following…

A: Introduction Embryology is a branch of science which deals with the study of embryonic development.…

Q: Complete the steps in sexual reproduction on animal and plants by arranging the words on the…

A: sexual reproduction involves the fusion of gamates , ie male and female gamates . it is the mode of…

Q: QUESTION 5 Match the term to the correct description. + Blastomeres A. Small cells formed during…

A: Match the term to the correct description.

Q: Which of the following scenarios does NOT describe an event that leads to the conception of twins?…

A: Human reproduction is a sexual reproduction where the sperm from the male fuses with the ovum from…

Q: What is Patient A's karyotype? A. Down syndrome B. Patau syndrome C. Klinefelter syndrome D.…

A: A karyotype is referred to as the collection of all the chromosomes of an individual. This is an…

Q: lame specific structure "A" Ovary lame specific structure "B" anther A-

A: The given figure it of a flower. Flower is considered to be a reproductive organ of the plant. If…

Q: Why is the frog pattern of cleavage different from the sea urchin pattern of cleavage? Group of…

A: Option B

Q: Which of the following statements is FALSE? a. VegT and Veg1 induce both dorsal and ventral…

A: Here, we have to select the incorrect statement regarding development.

Q: Which of the following scenarios does NOT describe an event that leads to the conceptions of twins?…

A: While twin pregnancies can occur by some coincidence, there are a few factors that may expand your…

Q: Give an example of a gene found in each of the categories of genes (eggpolarity, gap, pair-rule, and…

A: A gene is the basic physical and functional unit of heredity. It is the specific sequence of…

Q: an ovule include the following structures. Indicate whether each is haploid or diploid.  a.…

A: The five main divisions of plants are Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, and…

Q: 16. During chick and human development, cells that form the embryo come from the A. epiblast B.…

A: Embryo It is form after the formation of zygote which later turn into foetus.

Q: 1. Match the early embryo characteristics with the correct stage of development. Not all choices…

A: Embryology is a branch of science which deals with the study of embryo development. Embryology helps…

Q: At this stage of embryogenesis, the plant embryo forms eight cells. In Arabidopsis thaliana, it is…

A: Embryogenesis of a single cell gives rise to a living multicellular organism. The embryo formed from…

Q: Circle the letter of the correct response choose the correct answer, then write one sentence to…

A: Meiosis is the process of formation of gametes and results in the variations.

Q: a. What are the physical differences and similarities in the reproduction systems of plants and…

A: Reproductive system is a system in which one organism give rise to new individuals  . Reproduction…

Q: Humans produce skin cells by mitosis and gametes by meiosis. Which of the following statements about…

A: Mitosis happens in skin: The resulting cells (daughter) have same number of chromosome as of…

Q: A. In order to create an embryo from a somatic cell, the donor egg cell must have its…

A: Cloning is the production of progeny from a single parent.

Q: Which of the following is not true about cleavage? Choose all possible answers. a. “Making more…

A: Cleavage refers as a early cell divisions that occur when fertilized egg begins to develop into an…

Q: Which of the following statements relating to axis formation in chickens is FALSE? a. Henson's node…

A: A) true- Henson's node secretes proteins that antagonize BMPs and that protein is named as…

Q: Why is it easier to manipulate embryonic stem cells to differentiate into various tissues than it is…

A: Embryonic stem cells are pluripotent  stem cells, meaning they can divide into more stem cells or…

Q: Cleavage... A. Is a developmental stage consisting of a cell layer surrounding a fluid-filled space…

A: Fertilization is the process by which the sperm and the egg combine to form a zygote, which is the…

Q: Egg and sperm cells are...   A. Gametes   B. Diploid   C. Somatic cells   D. Zygotes

A: Sperm & egg go through fusion to a zygote. The zygote then will go through formative stages…

Q: Given that the first division of the zygote divides the embryo into the future right and left halves…

A: Introduction Mitosis Is A Nuclear Division Process That Occurs In Eukaryotic Cells When A Parent…

Q: The graph describes the change in egg membrane potential associated with fertilization in the sea…

A: Reproduction is the process of producing a new generation of organisms from the existing ones. It…

Q: Which structures shown above are typically haploid? lect one: A. Plant spores and animal zygotes B.…

A: Haploid cells are those cells which contain only one set of chromosomes. These structures are…

Q: Which among these insects secrete seducin by the male which both attracts and pacifies the untamed…

A: All insects secrete pheromones to attract the opposite sex.  Bombus lapidaries, a bee, release…

Q: omental genetics terms with their correct definition.

A: Developmental Biology : It is the study of the process by which animals and plants grow and develop.…

Q: Researchers searched for an activator of neural tissue formation. What is the real pathway for this…

A: In this question, from the given choices, we have to select the correct option for neural tissue…

Q: Which round of cell division is uneven? (hint: the SEM images will be helpful) a)First b)Second…

A: During early development, sea urchins exhibit radial holoblastic cleavage.

Q: A primary oocyte divides to give rise to a secondary oocyte and a first polar body. The secondary…

A: Oocyte refers to the female gametocyte or the germ cell from which the female gamete or the ovum…

Q: Q1: This is a type of cell that can become any type of cell or even a complete embryo. Totipotent…

A: Stem cell has the ability to develop into specialised cell types in the body. Stem cells are those…

Q: a. development of organs

A: Starfish are echinoderms that belong to the class Asteroidea. These organisms contain 5 hollow rays…

Q: normal sequence of developmental stages is...

A: Correct sequence zygote--> morula--> blastocyst--> embryo--> fetus

Q: The red arrows in Figure 1 indicate a normal open epiphyseal plate (an open growth plate).   What…

A: The epiphyseal plate is also known as the growth plate and is a thin cartilaginous structure present…

Q: Use the following information to answer the next question. Life Cycle of a Butterfly Adult…

A: Nondisjunction in meiosis II comes from the failure of the sister chromatids to split during…

Q: A small amount of cytoplasm will leak out of a fertilized Drosophila egg if it is punctured at the…

A: In wild type, Anterior end consists of bicoid protein in high concentration and in posterior end…

Q: Suppose we isolate one blastomere from a 4-cell stage sea urchin embryo. What do you think will…

A: Development is defined in developmental biology as a sequence of significant biological changes…