Reported by: Alejaga‚ Roxanne Mae B. Aleligay‚ Norimie S. OBJECTIVES: After studying this chapter‚ the students should be able to: 1. Know the interrelationship between heredity and the environment in human growth and development. 2. Appreciate the significance of pre-natal development to post-natal development. 3. Identify the different aspects of development. 4. State and explain the principles of heredity. 5. Understand the different stages of development that an individual will
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activation in the egg and it too begins to enlarge. If the egg has been fertilised (the process of the sperm fusing with the egg) it will move to the uterus and attach itself to the uterine lining‚ a process called implantation. The cells are called a zygote. The cells will begin to divide which will lead to the development of an embryo and hopefully produce a baby in nine months time! Genetics will determine the sex of your baby. Every man and woman constitutes 22 pairs of chromosomes plus one pair
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alternation of generation that means the two generations gametophytes and sporophytes are morphologically as well as cytologically different. in bryophytes gametophyte generation is more prominent in which male and female gametes fuse to each other to form zygote which develops into well protected embryo‚ while in tracheophytes‚ sporophytes generation is more dominant and gametophyte generation is very small and
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places? Sumner goes on to talk about how far back the homicide argument is willing to go‚ after conception the sperm and ovum form a zygote‚ a microscopic single cell. This zygote cannot reasonable be justified as a human being and if it is should we then prosecute all scientist who experiment with these zygote ’s as murders? Not only do these cases of aborting a zygote raise questions on weather or not it is murder‚ it also raises the question of what is a human or a person . Sumner goes on to conclude
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Aquatic Adaptation Aquatic plants - also called hydrophytic plants orhydrophytes - are plants that have adapted to living in aquatic environments. -One of the main problems facing submerged aquatic plants is their inability to obtain oxygen. Unlike terrestrial plants‚ these plants cannot obtain the vital gas through their stomata because they are submerged in water. -Therefore‚ the stems‚ roots‚ and leaves of submerged aquatic plants posses aerenchyma cells‚ which supply oxygen to the rest of
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There are many reasons that certain drugs damage to an embryo very early in pregnancy even before the mother realizes she is pregnant. Firstly‚ some of the mother already exposed to certain drugs before she get pregnant such as tobacco and alcohol. For example‚ the women who take cigarettes everyday in their daily life will continue to smoke before they realize it. Due to this‚ the babies of mother who smoke tend to grow more slowly in the womb and are likely to be born prematurely and small (Habek
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Alexis Incantalupo Child Psychology DSL Prenatal Advice Professor Guallini 2/5/13 Congratulations on your first baby! This means that your husband’s sperm cell has successfully fertilized your egg cell! I understand that you are worried about potential problems throughout your pregnancy. Pregnancy can be a nerve-racking experience for any first time parent. These parents may worry about something going wrong while carrying a child such as the baby’s health‚ or they may worry about something
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SPEECH: ABORTIONS Some people say that abortion is killing a weak‚ defenceless baby and that is should never be legal in any society. But what those people might not realise‚ is that when abortion was illegal in Spain a few years ago‚ between 1972 to 1982‚ 8‚500 number of women died because they did not want an infant and they had to carry out the medical process of abortion by themselves. Fortunately in 1982‚ abortion was made legal and in this way thousands of women could prevent a horrible
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Chapter 29 An Overview of Land Plant Evolution 1. Describe four shared derived homologies that link charophyceans and land plants. a. The complexes that produce cellulose are rose shaped in both charophyceans and land plants. Next both have peroxisome enzymes that help minimize the loss of organic products from photorespiration. The structure of their flagellated sperm is very similar. Finally‚ both form a phragmoplast during cell division. 2. Distinguish among the kingdoms Plantae‚ Streptophyta
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Mitosis Review 1. So why does cell division occur? Cell division occurs because an organisms such as plants‚ animals and such need to grow on a molecular level in order for them to continue thriving. For example‚ new cells are created with the intention of replacing old cells and tissues‚ with fresh and functioning ones... for most part. In humans and other organisms‚ organ cells‚ muscle cells‚ bone cells and such are constantly replace for growth and prolongation of proper function. Also‚ embryos
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