The three models collectively called showing the stage of development

Q: Morphogens area. molecules that disrupt normal development.b. molecules that convey positional…

A: Mutagenic agents are the agents that cause heritable and reversible changes or mutations in the…

Q: List the stages of fetal development and what happens at each stage.

A: A female body goes through a reproductive cycle every month. This cycle can end in mainly two ways :…

Q: 7. Which of the following best explains the development of twins? a. In the case of both identical…

A: The gestation period varies for twins and a single baby by around 2 weeks. The single baby is…

Q: Why is it better to prevent teenage pregnancy? 2. What are the consequences of teenage pregnancy?

A: 1) Teenage mothers are more likely to receive below-average language and reading scores and have…

Q: 5. Describe the 3 sexual causes of genetic variability and identify the stages of human development…

A: Genetic variability is defined as the formation of new species and which forms the basis of…

Q: 1. Can a test determine an individual's biological sex? And can testosterone produced by an…

A: Biological sex is of two types - male and female. There is a definite sexual dimorphism occurring in…

Q: What can we do to effectively and positively influence teens to break of teen pregnancy cycle?

A: Answer: PREGNANCY : It is basically the result of sexual activity of male and female. It is the…

Q: During creating male contraceptives, what steps in fertilization might be possible to block to…

A: Contraceptives are the techniques, drugs are devices that play a vital role in the prevention of…

Q: Explain the pathognesis of oedema in pregnancy

A: During natural pregnancy total body water rises by 6 to 8 litres, 4 to 6 litres of which are…

Q: 7. The first trimester of pregnancy is also called the period. O A. embryonic O B. fetal O C. growth…

A: Pregnancy is typically divided into three trimesters, each lasting approximately three months. The…

Q: proteins and RNA specified by maternal genes accumulate in the  _____  of the oocyte and influence…

A: Maternal effects often occur because the mother supplies a particular mRNA or protein to the oocyte.

Q: 1. What are the phases of group development and give example of each?

A: We know that Group Development means to form the association of individuals to work as a group and…

Q: Explain the significance and describe the features of fertilization and cleavage in early animal…

A: Animal embryonic development is also called as embryogenesis. After the fertilization of the zygote,…

Q: 4. In the following cases, who will have more BMR and why? A_. A male with height of 5 feet six…

A: The energy required for each time unit to maintain the metabolic activities of the body during rest…

Q: When considering pubertal maturation in domestic and marsupial species, describe the underlying…

A: Puberty is an important process in the development of all human beings — a series of hormonal…

Q: Name the two indicated structures below the arrow, seen here in the Pinus ovule.

A: Pinus is a tree that belongs to a group of plants known as gymnosperms. This plant is mainly…

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: Describe the development of the human embryo From the Formation of the Zygote to the point where the…

A: A human embryo is a distinct organism formed by either the first mitotic division after…

Q: 26. What stage is this? 27. What stage is this? 28. What stage is this? A C E F 29. What stage is…

A: In most animals, the sperm is the haploid male gamete that fuses with the haploid female gamete or…

Q: What process is the beginning of human life? Define it.

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: A researcher fails to label their flask of cells for an experiment. Which indicators would help you…

A: The epithelial cells present in the breast tissues create a layer of cells that gives rise to the…

Q: 10. Researchers have discovered a new compound that is a candidate for birth control. Its proposed…

A: The contraception pill (also called "the Pill") is a daily pill that contains hormones to vary the…

Q: Describe the steps of gonad determination in the male and the female beginning with the migration of…

A: The gonads, the primary reproductive organs, are the testes in the male and the ovaries in the…

Q: 26 Using the diagram below, describe the changes that occur if a fertilised egg becomes implanted in…

A: A multitude of factors must come together in order for a baby to be born. The development of a human…

Q: This(these) event(s) occur in the neonate during the neonatal period (just after birth). A - lungs…

A: Lot of changes occur in neonates immediately after birth. Most of the body systems becomes active…

Q: 2. Classification of high risk newborn.?

A: A newborn, also known as a neonate, is an infant who is in the very early stages of life, typically…

Q: 5. Which of the following determines the sex of the offspring ? 1. The egg 2. Temperature 3. The…

A: Sex of an individual is either male or female. Male has XY genotype and female has XX genotype.

Q: 4. As the embryo develops, what do the amnion and the yolk sac become, respectively? a. A sac that…

A: The amnion is filled with the amniotic fluid due to which the amnion expand and provides protection…

Q: 2. When Katie found out she was pregnant, she started to eat better for her developing baby. Her…

A: Pregnancy Pregnancy is an altered state of physiology, where various changes such as an increase in…

Q: Which structures are responsible for maintaining levels of estrogen earlier and later in pregnancy?…

A: We can Say that Hormones are substances that are created in one part of an organic entity and moved…

Q: 2. Why is full breast involution critical to lowering breast cancer risk?

A: Breast involution refers to the natural process through which the mammary glands in a woman's…

Q: Compare the different types of birth control and their mechanisms of pregnancy prevention.'?

A: Birth control can be defined as a contraceptive method to prevent pregnancy in humans. These methods…

Q: #4.

A: Prenatal development  Development of embryo and fetus before the birth is called prenatal…

Q: Describe the roles of the four extraembryonic membranes.

A: We can say that One of the membranes that aid in the development of the embryo is the extraembryonic…