an ovule include the following structures. Indicate whether each is haploid or diploid.  a. Archegonium b. Egg c. Female gametophyte d. Integument e. Nucellus f. Ovuliferous scale

Q: In humans, gametogenesis results in the formation ofa. diploid egg and sperm cells.b.…

A: As we know all living organisms are made of  basic unit of structure and function called as cell.…

Q: Which of the following are derived from 'trophoblasts'? 1.  epiblast 2.  hypoblast 3.  amnion 4.…

A: After fertilization of the egg and ovum, they produce zygote that start developing by repetitive…

Q: Which of the following genus produce biflagellated gametes? A. Polysiphonia B. Spirogyra C.…

A: Biflagellate:                      An organisms with one or more whip-like organelles called…

Q: Define the following terms related to alterations of generations: a.Gametes b.Zygote

A: Plants, algae, and fungus all have "alterations of generations". This is analogous to sexual…

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: 26. A. The megasporocyte will undergo melosis megaspores degenerate. B. One remaining megaspore…

A: Megasporogenesis is the process of development of megaspores from megasporocyte. It is the cell that…

Q: The number of chromosomes present in eurkaryotic cells a. is consistent during the life cycle b. is…

A: Eukaryotic cells consist of a nucleus and other organelles. Eukaryotic cells surrounded by the…

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: Dioecious plants: have two kinds of flowers that open at different times on the same plant are…

A: There are two types of plants: monoecious and dioecious. The monoecious plants have both male and…

Q: What is the relationship between a primary spermatocyteand a spermatogonium?a. They are genetically…

A: Sexually reproducing organisms have a reproductive system consisting of primary sex organs called…

Q: An abnormal fruit fly has two sets of autosomes and is XXY. Such a fly isa. a male.b. a female.c. a…

A: Sex determination is achieved by a balance of female determinants on the X chromosome and male…

Q: In the diagram above, a cell that undergoes meiosis is numbered Select one: a. 1 b. 2 c. 3 d. 4

A: Here first question is complete but second diagram related question is not given. So I named this…

Q: What is the basis for the tremendous genetic diversity resulting from sexual reproduction?a.…

A: Genes are basic units of inheritance. Gene is  a specific sequence of DNA which encodes specific…

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: 1.Embryogenesis follows while the ovary matures into fruit. B. The ovule becomes the seed. A.If…

A: We are answering 1st question only. For rest of question pls repost.

Q: What is the ploidy of two daughters of a dividing cell of a hornwort’s gametophyte?   Select one:…

A: The hornwort belongs to bryophyta. The root, stem and leaves like structure are present in the…

Q: Which of the following correctly identifies the stages in embryonic development between weeks 2 and…

A: Fertilization is a process in which haploid male gamete (sperm) fuses with the haploid female gamete…

Q: Neurospora is used as genetic material because: A. it has short life cycle of 10 days B.…

A: Neurospora is used as genetic material because it has a short life of 10 days as short life cycle…

Q: How many functional eggs (ova) result from one oogonium?     A. 1 and 3 polar bodies   B. 18…

A: In sexually reproducing organisms haploid gametes are produced. Female gametes are called eggs…

Q: What are the products of double fertilization?a. Two diploid zygotesb. A diploid zygote and a…

A: Meiosis is a type of cell division (CD) where four gametes or daughter cells are produced as a…

Q: Which of the following is not true for gemmae? *a.They are a small clusters of cells. b.They are…

A: Gemmae are asexual buds that grow in receptacles called gemma cups. They are green, multicellular…

Q: What part of the flower produces the male reproductive cells? (2) Which contraceptive is seen in the…

A: Ans-1 In a flower, the male reproductive cells are produced by anther. Stamen is consist of anther…

Q: In the gametic lifecycle, where does meiosis occur? Select one: O it only used to form the third…

A: Meiosis is the mechanism by which a diploid cell (one with two sets of chromosomes) becomes a…

Q: An organism produced a new individual without any help of another individual. A.Parthenogenesis…

A: Reproduction is one of the most important and fundamental processes of life where 'parents' produce…

Q: Sporangium

A: Reproduction is the process by which new organisms are produced by the existing ones. It is required…

Q: iv. Two nuclei cells in Stage W will be fertilized by two male gametes. State how the two male…

A: Blooming plants replicate physically through a cycle called fertilization. The blossoms contain male…

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: For each items choose the letter of the best answer. No need to write the explanations. 26. How does…

A: Gametes are the cells that are formed during sexual reproduction.

Q: A. An embryo sac (ovule) contains eight haploid nuclei. B. Three nuclei become three synergids, 2…

A: During megagametogenesis, the functional megaspore gives rise to the mature female gametophyte.

Q: Which of the following defines a germ cell?   A. A diploid cell that forms when two gametes fuse…

A: A germ cell is also termed a sex cell, which is a biological cell that gives rise to the gametes of…

Q: 1. It is the creation of an offspring by fusion of haploid gametes, male sperm and female eggs, to…

A: Introduction Reproduction:- It is the process of producing new individuals of the same kind, an…

Q: Explain about The Megasporangium (Ovule).

A: A sporangium is the capsule structure that belongs to many plants and fungi, in which the…

Q: Seeds develop after a flower has been pollinated with pollen from the same plant.Decide whether each…

A: Reproduction is the process of formation of new young ones.

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: Which of the following is true about Cleavage? Choose all possible answers a. At the end of…

A: Cleavage is the process of cell division in the developing embryo following fertilisation in…

Q: 1. A. The megasporocyte will undergo meiosis to produce four haploid megaspores three megaspores…

A: A megastore mother cell, or megasporocyte,  is a diploid cell in plants in which meiosis will occur,…

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: What are some benefits that come with sexual reproduction? Please select all correct answers. a.…

A: Reproduction is a biological process possessed by living organisms to promote their number in nature…

Q: A fertilized flowering plant is represented by what genetic chromosome number: 4n n 2n 3n

A: Anthophyta, also called Angiospermophyta, is a phylum comprising the flowering plants (angiosperms).…

Q: The number of chromosomes present in eukaryotic cells a. is consistent during the life cycle b. is…

A: Eukaryotic cells are denoted either as haploid or diploid, which depends on the number of…

Q: The embryo found in the mosses, ferns, pines, and flowering plants is; Haploid Diploid Neither

A: Embryo  It is early stage of development of a multicellular organisms.

Q: Which of the following structures is diploid? a. Microsporeb. Eggc. Megaspored. Microsporocyte

A: Reproduction ensures the continuity of species on earth. It can occur in two ways that is sexual…

Q: 23. Which of the structure contains haploid (n) number of chromosomes? A. 1 B. 5 C. 6 D. 4…

A: Meiosis produces a haploid cell (n) from a diploid cell (2n) during gametogenesis. In males,…

Embryology