Lecture 12 - Meiosis
... • In independent assortment, each pair of chromosomes sorts maternal and paternal homologues into daughter cells independently of the other pairs • The number of combinations possible when chromosomes assort independently into gametes is 2n, where n is the haploid number – For humans (n = 23), there ...
... • In independent assortment, each pair of chromosomes sorts maternal and paternal homologues into daughter cells independently of the other pairs • The number of combinations possible when chromosomes assort independently into gametes is 2n, where n is the haploid number – For humans (n = 23), there ...
II. BODY CAVITY DEVELOPMENT CHARACTERISTICS OF
... membranes for diffusion of gases – Humans are internal, but lungs are membranes, so gases diffuse through our aveoli at the ends of our lung tissue. CO2 goes out O2 goes in ...
... membranes for diffusion of gases – Humans are internal, but lungs are membranes, so gases diffuse through our aveoli at the ends of our lung tissue. CO2 goes out O2 goes in ...
Biological Classification / Biomes
... “naked”. Ex. Conifers like pine trees. b) Angiosperms – “flowering plants” seeds are protected by covering called a fruit. Ex. Most flowers, grasses, & fruits. Plant reproduction Plants reproduce in 2 stages: 1) Spore stage – tiny organisms cells are produced. 2) Fertilization – a plant sperm & eg ...
... “naked”. Ex. Conifers like pine trees. b) Angiosperms – “flowering plants” seeds are protected by covering called a fruit. Ex. Most flowers, grasses, & fruits. Plant reproduction Plants reproduce in 2 stages: 1) Spore stage – tiny organisms cells are produced. 2) Fertilization – a plant sperm & eg ...
Slides (pdf format)
... • Apparently reproduces mostly by parthenogenesis, but (like! rotifers) produces two kinds of eggs: a thick-shelled, overwintering! egg and a more thin-shelled, summer egg. Thick-shelled eggs are only produced after male fertilization, so it has been proposed that L. maerski is also a dioecious prot ...
... • Apparently reproduces mostly by parthenogenesis, but (like! rotifers) produces two kinds of eggs: a thick-shelled, overwintering! egg and a more thin-shelled, summer egg. Thick-shelled eggs are only produced after male fertilization, so it has been proposed that L. maerski is also a dioecious prot ...
Asexual Reproduction - Advanced
... Some organisms look and act exactly like their parent. Others share many similar traits, but they are definitely unique individuals. Some species have two parents, whereas others have just one. How an organism reproduces determines the amount of similarity the organism will have to its parent. Repro ...
... Some organisms look and act exactly like their parent. Others share many similar traits, but they are definitely unique individuals. Some species have two parents, whereas others have just one. How an organism reproduces determines the amount of similarity the organism will have to its parent. Repro ...
a. bacillus anthracis b. Bacillus anthracis c. bacillus Anthracis d
... c. heterotrophic eubacteria d. extreme thermophiles 24. Which of the following is incorrectly paired? a. Ovary– contains the ovules b. Sepal –top of pistil c. Anther – contains the pollen d. Style – leads to ovary from stigma e. None of these are incorrectly paired 25. Which of the following is not ...
... c. heterotrophic eubacteria d. extreme thermophiles 24. Which of the following is incorrectly paired? a. Ovary– contains the ovules b. Sepal –top of pistil c. Anther – contains the pollen d. Style – leads to ovary from stigma e. None of these are incorrectly paired 25. Which of the following is not ...
Prokaryotes 1. How common are prokaryotes on earth? 2. List and
... 16. What is the adaptive value of the flower to plants? 15. Describe the role of ovaries and ovules in the flowering plants. 16. How many sperm are in a mature pollen grain in the flowering plants? 17. What is the fate of each of these sperm nuclei during fertilization? 18. What is this fertilizatio ...
... 16. What is the adaptive value of the flower to plants? 15. Describe the role of ovaries and ovules in the flowering plants. 16. How many sperm are in a mature pollen grain in the flowering plants? 17. What is the fate of each of these sperm nuclei during fertilization? 18. What is this fertilizatio ...
What is the purpose of mitosis?
... Renewable resources (like trees or food) can be replaced in a relatively short period of time, but nonrenewable resources (like fossil fuels) ...
... Renewable resources (like trees or food) can be replaced in a relatively short period of time, but nonrenewable resources (like fossil fuels) ...
FOREST BGENETICS LECTURE NOTE - The Federal University of
... Cell is the smallest unit of life. All living things are composed of these (Ganiete – A sexual reproductive cell; (sex cells). Female gamete is an ovum or egg cell and a male gamete is sperm cell. ) basic units, from the simple unit cellular structures of bacteria and protozoa to the complex structu ...
... Cell is the smallest unit of life. All living things are composed of these (Ganiete – A sexual reproductive cell; (sex cells). Female gamete is an ovum or egg cell and a male gamete is sperm cell. ) basic units, from the simple unit cellular structures of bacteria and protozoa to the complex structu ...
Animalia NOTES
... All are Multicellular/Specialized cells All are Eukaryotic Heterotrophs NO Cell wall or Chloroplasts Dominant diploid (2n) organism ; only haploid as gametes Store glucose as GLYCOGEN Most MOBILE at some point in life cycle; LARVA (free living sexually immature form) may be only time in some DEVELOP ...
... All are Multicellular/Specialized cells All are Eukaryotic Heterotrophs NO Cell wall or Chloroplasts Dominant diploid (2n) organism ; only haploid as gametes Store glucose as GLYCOGEN Most MOBILE at some point in life cycle; LARVA (free living sexually immature form) may be only time in some DEVELOP ...
Animalia NOTES
... All are Multicellular/Specialized cells All are Eukaryotic Heterotrophs NO Cell wall or Chloroplasts Dominant diploid (2n) organism ; only haploid as gametes Store glucose as GLYCOGEN Most MOBILE at some point in life cycle; LARVA (free living sexually immature form) may be only time in some DEVELOP ...
... All are Multicellular/Specialized cells All are Eukaryotic Heterotrophs NO Cell wall or Chloroplasts Dominant diploid (2n) organism ; only haploid as gametes Store glucose as GLYCOGEN Most MOBILE at some point in life cycle; LARVA (free living sexually immature form) may be only time in some DEVELOP ...
EOC_STUDY_GUIDE_adapted_from_Gaston_County
... Asexual and Sexual Reproduction: Asexual Reproduction – a single parent produces one or more identical offspring by dividing into two cells - mitosis (protists, arthropods, bacteria by binary fission, fungi, plants); produces large numbers of offspring - offspring are clones of parents (genetically ...
... Asexual and Sexual Reproduction: Asexual Reproduction – a single parent produces one or more identical offspring by dividing into two cells - mitosis (protists, arthropods, bacteria by binary fission, fungi, plants); produces large numbers of offspring - offspring are clones of parents (genetically ...
Kingdom Animalia
... Cephalization - concentration of sense organs & nerve cells at the front end of the body In general, the more complex an animal is, the more pronounced is their cephalization (head formation) ...
... Cephalization - concentration of sense organs & nerve cells at the front end of the body In general, the more complex an animal is, the more pronounced is their cephalization (head formation) ...
Bio reference_guideEOC
... Asexual and Sexual Reproduction: Asexual Reproduction – a single parent produces one or more identical offspring by dividing into two cells - mitosis (protists, arthropods, bacteria by binary fission, fungi, plants); produces large numbers of offspring - offspring are clones of parents (genetically ...
... Asexual and Sexual Reproduction: Asexual Reproduction – a single parent produces one or more identical offspring by dividing into two cells - mitosis (protists, arthropods, bacteria by binary fission, fungi, plants); produces large numbers of offspring - offspring are clones of parents (genetically ...
Biology Principles Review
... Asexual and Sexual Reproduction: Asexual Reproduction – a single parent produces one or more identical offspring by dividing into two cells - mitosis (protists, arthropods, bacteria by binary fission, fungi, plants); produces large numbers of offspring - offspring are clones of parents (genetically ...
... Asexual and Sexual Reproduction: Asexual Reproduction – a single parent produces one or more identical offspring by dividing into two cells - mitosis (protists, arthropods, bacteria by binary fission, fungi, plants); produces large numbers of offspring - offspring are clones of parents (genetically ...
CH 32 Foldable Mammals Internal content
... The mammalian circulatory system is divided into two completely separate loops with a 4-chambered heart. One loop from the lungs…the other from the body. Mammals have the most highly developed brains of any animals. A flexible backbone allows mammals to move both vertically & from side to side. ...
... The mammalian circulatory system is divided into two completely separate loops with a 4-chambered heart. One loop from the lungs…the other from the body. Mammals have the most highly developed brains of any animals. A flexible backbone allows mammals to move both vertically & from side to side. ...
glossary - Catawba County Schools
... in the 1830s, this theory has been supported by extensive evidence and is now often known as the cell principle. ...
... in the 1830s, this theory has been supported by extensive evidence and is now often known as the cell principle. ...
Prokaryotes
... divided into equal halves by drawing any number of lines through its center (1) Organism is usually round (2) Ex: sand dollar ii) Bilateral symmetry – organism can be divided into two matching halves only at one point (1) Most animals have bilateral symmetry (2) Ex: humans ...
... divided into equal halves by drawing any number of lines through its center (1) Organism is usually round (2) Ex: sand dollar ii) Bilateral symmetry – organism can be divided into two matching halves only at one point (1) Most animals have bilateral symmetry (2) Ex: humans ...
Male and Female Reproductive Systems 1 Class
... What happens in the group stays in the group. There should be no telling others outside the class what a particular student says, unless that student gives their permission to share it. ...
... What happens in the group stays in the group. There should be no telling others outside the class what a particular student says, unless that student gives their permission to share it. ...
Major Divisions of Life
... Circulatory system – No system (no organs) – performed by fluid in pseudocoelom ...
... Circulatory system – No system (no organs) – performed by fluid in pseudocoelom ...
Lecture Notes
... 1-2% of ovulations release more than one secondary oocyte, which if fertilized, results in fraternal twins 3. Luteal Phase - After ovulation, the ruptured follicle collapses, granulosa cells enlarge, and along with internal thecal cells, form the corpus luteum. The corpus luteum secretes progesteron ...
... 1-2% of ovulations release more than one secondary oocyte, which if fertilized, results in fraternal twins 3. Luteal Phase - After ovulation, the ruptured follicle collapses, granulosa cells enlarge, and along with internal thecal cells, form the corpus luteum. The corpus luteum secretes progesteron ...
Biology Glossary
... cell organelle containing the genetic material (only one of these in each cell) ...
... cell organelle containing the genetic material (only one of these in each cell) ...
Biology Principles Review
... Asexual and Sexual Reproduction: Asexual Reproduction – a single parent produces one or more identical offspring by dividing into two cells - mitosis (protists, arthropods, bacteria by binary fission, fungi, plants); produces large numbers of offspring - offspring are clones of parents (genetically ...
... Asexual and Sexual Reproduction: Asexual Reproduction – a single parent produces one or more identical offspring by dividing into two cells - mitosis (protists, arthropods, bacteria by binary fission, fungi, plants); produces large numbers of offspring - offspring are clones of parents (genetically ...
6 Kingdoms of Life Part 2: Plants and Animals
... • Recall that all organisms reproduce either sexually or asexually – Sexual- there is a combining of genes from 2 parents but NOT always with egg and sperm (meiosis followed by fertilization) – Asexual- the offspring are reproduced by copying the DNA of one parent (binary fission or budding) ...
... • Recall that all organisms reproduce either sexually or asexually – Sexual- there is a combining of genes from 2 parents but NOT always with egg and sperm (meiosis followed by fertilization) – Asexual- the offspring are reproduced by copying the DNA of one parent (binary fission or budding) ...
Sex
Organisms of many species are specialized into male and female varieties, each known as a sex. Sexual reproduction involves the combining and mixing of genetic traits: specialized cells known as gametes combine to form offspring that inherit traits from each parent. Gametes can be identical in form and function (known as isogamy), but in many cases an asymmetry has evolved such that two sex-specific types of gametes (heterogametes) exist (known as anisogamy). By definition, male gametes are small, motile, and optimized to transport their genetic information over a distance, while female gametes are large, non-motile and contain the nutrients necessary for the early development of the young organism. Among humans and other mammals, males typically carry XY chromosomes, whereas females typically carry XX chromosomes, which are a part of the XY sex-determination system. Other animals have a sex-determination system as well, such as the ZW sex-determination system in birds, and the X0 sex-determination system in insects. The gametes produced by an organism are determined by its sex: males produce male gametes (spermatozoa, or sperm, in animals; pollen in plants) while females produce female gametes (ova, or egg cells); individual organisms which produce both male and female gametes are termed hermaphroditic. Frequently, physical differences are associated with the different sexes of an organism; these sexual dimorphisms can reflect the different reproductive pressures the sexes experience.