1. Androecium, Female Gametes, Male Gametes, Ovules, Pistil, Pollen Grains, Stamen

2. Archegonia produce female gametes

3. Anisogamy The fusion of gametes of different sizes

4. In these groups, gametes are produced by mitosis.

5. A female produces few, large, immobile gametes called eggs.

6. Diploidy is restored when two haploid gametes fuse.

7. Anisogamy is the fusion of gametes in dissimilar size

8. An Antheridium forms a large number of male gametes

9. In Bryophytes the process requires the production of male gametes (sperm), female gametes (eggs) and some means of getting the sperm to the eggs

10. If the gametes come from different individuals, we talk about Allogamy

11. But size is not the only difference between male and female gametes.

12. The main function of the Antheridium is to produce and store the male gametes also known as the sperms.These male gametes are released when it matures.

13. Male gametes are called Antherozoids and are produced in Antheridia

14. The male gametes produced in an Antheridium are usually motile

15. Autogamy, the production of gametes by the division of a single parent

16. The formation of a zygote by the union of genetically different gametes.

17. Such plants produce gametes possessing one member of each allele pair .

18. Gemete Antherozoids Mucilage 8 Female gametes in gametangium SEGG A B Figure 1

19. Anisogamy the state in which the GAMETES are different from each other, i.e

20. In one type of Anisogamy, both gametes can be flagellated and hence are motile.

21. Agamic (not comparable) Occurring without the union of male and female gametes; asexual; Translations

22. Among spore plants, a type of Allogamy using male gametes instead of pollen is common.

23. What is Autogamy? Answer: – In Autogamy, the male and female gametes are produced by the same cell or same organism and both the gametes fuse together to form a zygote e.g

24. Archegonium is the female sex organ, which produces female gametes mainly in cryptogams

25. Key words: haploids, wild species, 2n gametes, first division restitution, second division restitution.

26. The transmission frequency of gametes with 6V in heterozygous plants were decreased clearly.

27. Exogamy The fusion of gametes produced by organisms that are not closely related.

28. Anisogamy is the fusion of two gametes in dissimilar morphology: size and the form

29. At fertilization, when the haploid gametes fuse, the diploid number of chromosomes is restored.

30. This explains why there are two genders, one with small gametes, the other with large ones.

31. Typically, the motile male gametes swim through the water films to enter into the Archegonia

32. Antheridium definition, a male reproductive structure producing gametes, occurring in ferns, mosses, fungi, and algae

33. The allelomorph causing a higher fertility is dominant over the allelomorph, producing less euploid gametes.

34. These large gametes will inevitably be produced in smaller numbers and they will lack mobility.

35. Unreduced gametes are common in plants and likely represent the most frequent route to polyploidy .

36. Antheridia are structures found in some organisms that produce male sex cells, also known as sperm or gametes

37. The haploid sex cells or gametes are formed by a type of cell division called meiosis .

38. For example, in the green alga, Chlamydomonas reinhardtii, there are so-called "plus" and "minus" gametes.

39. A male is defined as the gender that produces sperm or pollen: small, mobile, multitudinous gametes.

40. It could undergo mitosis to produce more germ cells, but we'll talk about how it produces the gametes.

41. This is unusual, however, considering that many plant species have evolved to become incompatible with their own gametes.

42. This is a specific subset of the larger category Autogamy, in which two gametes from the same individual fuse.

43. Bladderwrack is a dioecious organism, meaning that male and female gametes are produced on two different organisms

44. Antherozooid definition: one of many small male gametes produced in an antheridium Meaning, pronunciation, translations and examples

45. Anisogamy is the fusion of morphologically dissimilar male and female gametes which can be motile or immotile

46. From this viewpoint, gametes and the genes they carry are merely a device whereby organisms produce offspring like themselves.

47. As gamete-production proceeds, it will have a non-zero probability of death or of becoming unable to produce gametes.

48. Antheridium [‚an·thə′rid·ē·əm] (botany) The sex organ that produces male gametes in cryptogams

49. Cross-fertilization, also called Allogamy, the fusion of male and female gametes (sex cells) from different individuals of the same species

50. Allogamy is also recognized as cross-fertilization i.e., the participation of male and female gametes of two different flowers

51. Anisogamy refers to a form of sexual reproduction involving the union or fusion of two dissimilar gametes — anisogamous, anisogamic,

52. Anisogamy definition: a type of sexual reproduction in which the gametes are dissimilar , either in size alone Meaning, pronunciation, translations and examples

53. Anisogamy can be defined as a mode of sexual reproduction in which fusing gametes, formed by participating parents, are dissimilar in size.

54. Evidence of protandric hermaphroditism was observed in B. elongatus, which exhibited acini containing both maturing and residual male gametes and immature oocytes.

55. Agamic: 1 adj (of reproduction) not involving the fusion of male and female gametes in reproduction Synonyms: agamogenetic , agamous , apomictic , parthenogenetic asexual , …

56. …general, the male gametes (Antherozoids) are produced in globose structures (antheridia) that are either stalked or sunken in the gametophyte

57. It was followed by an equally important key innovation, the origin of Anisogamy, the functional differentiation of gametes into two types (male and female)

58. In the Anisogamy model, the energy requirements of zygotes must be sufficiently larger than those of gametes to allow the divergence of gamete sizes

59. It was followed by an equally important key innovation, the origin of Anisogamy, the functional differentiation of gametes into two types (male and female)

60. It is believed that Anisogamy originated from isogamy (production of gametes of equal size), which is considered by most theorists to be the ancestral condition.

61. (of reproduction) not involving the fusion of male and female gametes in reproduction Familiarity information: Agamic used as an adjective is very rare.

62. In Anthozoans, cubozoans, and scyphozoans, gametes develop in the endoderm, whereas in hydrozoans they ripen in the ectoderm, although they do not necessarily originate there

63. The main difference between Anisogamy isogamy and oogamy is that Anisogamy is the fusion of gametes in dissimilar size while isogamy is the fusion of …

64. Allogamy is the fertilization of the combination of gametes from two parents, generally the ovum from one individual with the spermatozoa of another

65. As nouns the difference between Antheridium and oogonium is that Antheridium is (botany) an organ producing male gametes called antherozoids, found in bryophytes while oogonium is .

66. A single spermatogenous cell, the primary Androgone, is delimited in the nascent antheridium, and it undergoes five synchronized mitotic divisions to produce 32 spermatids (immature gametes)

67. It was followed by an equally important key innovation, the origin of Anisogamy, the functional differentiation of gametes into two types (male and female)

68. Princeton's WordNet (0.00 / 0 votes)Rate this definition: Agamic, agamous, agamogenetic, apomictic, parthenogenetic (adj) (of reproduction) not involving the fusion of male and female gametes in reproduction

69. Although the embryo is formed without union of the male and female gametes, pollination is necessary in many Apomicts for full development of the embryo and endosperm.

70. Anther that part of the STAMEN of a flower that produces the male GAMETES and that is located at the end of a flexible stalk (the filament)

71. When the Antherozoids are released into the water and when they come in contact with the archegonium, a fusion of the gametes occurs and a zygote is produced

72. In plant development: Preparatory events …general, the male gametes (Antherozoids) are produced in globose structures (antheridia) that are either stalked or sunken in the gametophyte

73. Sperm are the smaller of the two gametes and are generally very short-lived, requiring males to produce them continuously from the time of sexual maturity until death.

74. Hypernyms ("Allogamy" is a kind of): cross-fertilisation ; cross-fertilization (fertilization by the union of male and female gametes from different individual of the same species) Antonym:

75. In other words Apomixis is a type of reproduction in which sexual organs of related structures take part but seeds are formed without union of gametes

76. To address this, we developed gamete Binning, a method based on single-cell sequencing of haploid gametes enabling separation of the whole-genome sequencing reads into haplotype-specific reads sets

77. Both Allogamy and xenogamy are terms used in biology to describe two types of sexual reproduction that differ in the origin of the male and female gametes involved in fertilization

78. Plural Antheridia (ăn′thə-rĭd′ē-ə) An organ in certain organisms that produces male gametes. Antheridia are found in many groups of organisms, including the bryophytes, ferns, ascomycete fungi, …

79. The reproductive system produces gametes in each sex, a mechanism for their combination, and in the female a nurturing environment for the first 9 months of development of the infant.

80. Plural Antheridia (ăn′thə-rĭd′ē-ə) An organ in certain organisms that produces male gametes. Antheridia are found in many groups of organisms, including the bryophytes, ferns, ascomycete fungi, …