What is the relationship between spermiogenesis and spermatogenesis? b. Zika virus. The onset of menstruation is called a. menarche b. menopause c. estrogen d. periodicity. In sexual reproduction, the gamete cells contain how many chromosomes? Contact us by phone at (877) 266-4919, or by mail at 100 View Street #202, Mountain View, CA 94041. b) It provides more space for organs to develop. “Emphasis today in Kenya must be made on economic development and not B. Give three examples of asexual reproduction methods in plants. 3-8 weeks. a. Folic acid b. Zika virus c. Cigarettes d. Lead e. All of these are teratogens. A coelom is a(n): a. hair like projections. 1. a) provide a space for internal organs to be stored and allowed to grow b) concentrate sense organs for cephalization c) produce cells that can differentiate into... Answer true or false Haploid gametes fuse during fertilization to form a diploid cell. Only one cell eventually completes meiosis II. What are the names of the layers? b. Match the following stages of animal development with the sonar characteristic: zygote, blastula, cleavage, gastrula a. What is the process of cell division within the reproductive organs? Sexual reproduction in plants results in: (Select all that apply.) (a) No answer text provided. Ron and Hermione are in a committed, stable, mutually respectful relationship and are now trying to have a baby. (d)... What are the three main types of sexual life cycles and how do they differ? The single cell that is the foundation for all the cells that a child will have at birth is called _____. Golgi bodies, Give the meaning of the following terms: telophase to cell differentiation. Choose your answers to the questions and click 'Next' to see the next set of questions. Intellectual disability can result from the developing fetus being damaged by disease, infection, or drugs, which would all be considered a. teratogens. Sexual reproduction is meiosis and fertilization. d) Trophoblast. Their bodies are divided into repeating parts or segments. A. In what order do sperm penetrate the following layers of the egg? Four functional eggs are produced. Compare the functions of mitochondria and chloroplasts. Which of the following options is correct? (b) A shell. c. Both sperm and egg are produced. (a) Antigen (b) Antibody (c) B cell (d) T cell. Which of the following options is correct? b) increased genetic diversity. b. Heart b. Stomach c. Spleen d. Gallbladder e. Lungs f. Small intestine g. Large intestine h. Appendix i. Liver j. Pancreas. Compare and contrast a bacterium with an animal cell based on their structure and function. What evidence is there to determine if the cells in our bodies are alive? TEXTBOOK READING ASSIGNMENTS Developmental Biology 9th Ed, S. Gilbert. Spinal cord 4. Cartilage is separated from surrounding tissues by the _____, bone is separated from surrounding tissues by _____ and organs are separated from surrounding tissues by _____. National Office Address: 222 Struben Street, Pretoria Call Centre: 0800 202 933 | callcentre@dbe.gov.za Switchboard: 012 357 3000. Which of the following is TRUE of the cloning experiment that resulted in Dolly the sheep? Mary thinks she might be pregnant and purchases a pregnancy test. If you were studying the mature female gametophyte of a flowering plant, you would be studying the [{Blank}]. BE PROVIDE MORE DETAILS FOR THE HIGHER POINT QUESTIONS ! Trace the pathway of sperm from production to implantation, including any parts it travels through. Do these cells undergo mitosis or meiosis? What are the two mechanisms that can lead to different genes being turned on or off in different cells during early development? This drug is associated with congenital malformations. Don't show me this again. Mirrored arrangement of body components is common with radial symmetry, but not found at all in bilateral sy... What is the difference between animals that exhibit radial versus bilateral symmetry? What are critical periods? A. when it is completed B. size of gametes produced C. number of functional gametes produced D. all of the above are true, When a female has low levels of estrogen and progesterone, _______? Cells that are formed during spermatogenesis by the first meiosis are called: a) spermatids. d. one... During gametogenesis of the egg, one diploid cell divides into four functional haploid eggs. a. acrosomal layer b. zona pellucida c. trophoblast d. gastrula layer. appear. a. primary sex characteristics. How much DNA does each parent contribute to their offspring? The diploid chromosome number for fruit flies is 8, while that for grasshoppers is 46. Palatine bones that fail to fuse may cause what? As a result of fertilization, the number of chromosomes in the zygote in comparison to the number of chromosomes in each of the gametes. What is the difference between animals that exhibit radial versus bilateral symmetry? How high can HCG levels get with a chemical pregnancy? a. Brachiocephalic artery b. When you have completed the practice exam, a green submit button will Functional sperm are first formed in a male A. during embryonic development of that male. seminiferous cells c.) interstitial cells d.) nurse cells e.) spermatogonia. Feel free to contact the Admin if you have any doubts or quires. Correctly order the steps of __Intramembranous Ossification__ I. Osteocyte formation & calcification forms woven bone II. What is the difference with the processes of independent assortment and crossing over? They are cardiac muscle cells. What is the role, function, and structure of the epithalamus? (b) List the organs they contain. What is the name for the structure that is formed when the sperm and egg combine? What would be an evolutionary advantage to a plant having this mode of reproduction? Explain how meiosis and sexual reproduction generates biodiversity. A. How does the function of reproduction differ from all other body functions? b. Warfarin with facial and CNS abnormalities. Identify the hormone from its effect on pregnancy: Suppresses uterine contractions during pregnancy, Identify the hormone from its effect on pregnancy: Promotes the release of fatty acids from the mother's adipose tissue. What is the medial forebrain bundle? The heart is in the pericardial cavity. Spermatozoa develop within the walls of the seminiferous tubules. The temporal bone develops through, A) Endochondrat Ossification B) Intramembranous Ossification C) Endochondral and Intramembranous Ossification D) Neither Endochondral nor Intramembranous Ossifi... What are the different stages of metamorphosis? The primary oocytes and primary spermatocyte are the second cells that appear in oogenesis and spermatogenesis, why are these cells 2n and not 1n? Which of the following techniques is not matched with the correct purpose? a) First a colony of protists forms, then some become gametes, and finally, others specialize in various tasks. Serous membranes, or serosae, are membranes in closed ventral body cavities that consist of two layers. Explain how and why the egg is usually fertilized by only one sperm. d. medial and lateral halves. (c) Both of these. a) True b) False. Why did the test come back positive? Does high HCG levels always mean molar pregnancy? In fertilization two haploid cells with _____ chromosomes combine to produce a diploid cell with _____ chromosomes. 1) A sperm cell 2) An egg cell 3) Any gamete cell 4) A somatic (non-gamete) cell. How can critical periods influence later development? 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