Occasionally, two-headed animals such as this turtle are born.Thinking about the occurrence of identical twins and the property of totipotency, explain how this might happen.

Q: Describe the process of development, from fertilization to parturition.

A: Fertilization- It occurs in fallopian tubes and leads to the formation of a diploid…

Q: List the effects of the LH surge on the egg

A: LH surge:                Luteinizing hormones (LH) is a inducer hormones secreted by pituitary gland…

Q: Placenta ... a) ... develops from trophoblast cells. b) ... develops from embryoblast cells. c)…

A: Pregnancy occurs when the male gamete sperm fuses and fertilizes with the female egg that is…

Q: Milk production in the mammary glands is stimulated by a hormone from the pituitary gland…

A: Pituitary gland is a small pink coloured gland. Morphologically pituitary has three parts namely…

Q: Explain how the structure of the placenta prevents mixing of fetal and maternal blood while allowing…

A: -First to understand placenta .  Placenta -- It is composed of fetal part which includes the…

Q: Describe the stages of birth, and also explain the role of midwives and doulas in the birth process

A: Labour is a process of giving birth the product of conception in completed gestational age. labor…

Q: Lactating mammals produce which two hormones that promote milk synthesis and milk release? prolactin…

A: The most exceptional bioproduction system of the mammary gland in lactation. This biofluid act as…

Q: Suppose, in an experiment, that you incubate isolated rat testes with hCG. What would be the effect,…

A: Human chorionic gonadotrophin (hCG) is defined as a hormone secreted or released during pregnancy by…

Q: Early pregnancy tests used antibodies to detect the presence of human chorionic gonadotropin (hCG)…

A: The outermost membrane that surrounds the embryo is known as chorion. From the outer fold of the…

Q: What are the hormones involved in milk production and milk secretion? Discuss the hormonal control…

A: The mammary gland is located in the anterior thoracic wall. They are composed of the tubuloalveolar…

Q: Explain the function of the placenta.

A: The placenta is referred to as the organ that develops in the body within the mother's uterus at the…

Q: How would low levels of testosterone affect the American alligator population?

A: Testosterone is a steroid hormone that stimulates the development of male secondary sexual…

Q: Explain the organization of the mammary gland with the help of a diagram.

A: Female reproductive system consists of a pair of ovaries, glands, a duct system and many supporting…

Q: Explain the juvenile phase.

A: Growth is defined as the process of permanent increase in size and complexity of an organism during…

Q: Explain the way in which the egg gets prepared for fertilization during oogenesis.

A: The process through which the male and female gametes combine to create the zygote is known as…

Q: What happens to boys and girls at puberty

A: Puberty is the duration of life when boy or girl becomes sexually mature.It generally occurs between…

Q: pig fetus  Describe how the developing fetus exchanges material during pregnancy.

A: The placenta is a membrane, which surrounds the developing fetus during pregnancy. It provides…

Q: What is the specific hormone that functions primarily during pregnancy? A) Estradiol  B) Estriol…

A: There are two hormones released by ovaries: estrogen and progesterone. Progesterone helps in the…

Q: ________________________is the period of development from fertilization to birth, whereas is the…

A: Gestation is considered as the period between conception ( or certification) and birth when the baby…

Q: Fill in the blank:  After the eighth week, a developing human is called a(an) ___________________…

A: On the very first day of your last menstrual period Initially the stage comes when the start of the…

Q: State the significance of mother’s milk to a new-born infant.

A: Mother's milk is produced by the special glands called as mammary glands and these are present in…

Q: Describe the role of hormones in birth.

A: Hormones are defined as the molecule involved in the cell signaling in the body. in multicellular…

Q: Explain why babies are delivered preterm

A: Introduction:-  Preterm labor is meant by when labor starts before the 37th completed week counting…

Q: Describe the role of placental secretion of relaxin inpreparation for childbirth.

A: Hormones are the chemical substances released into the blood to perform specific functions of the…

Q: Newborns are at much higher risk for dehydration thanadults. Why?

A: A baby which is 2 months old from his or her birth is considered newborns.

Q: why an increased level of FSH raises the likelihood of fraternal twins.

A: Sperm and egg (ova) are male and female gametes respectively. Fertilization is the process of fusion…

Q: Poor embryonic development occurs because ____________________________.

A: After fertilization, a single celled diploid zygote is formed, which later develops into…

Q: Explain why pregnant women often suffer from back strain late in their pregnancy.

A: Pregnancy, also known as gestation is the time during which one or more offspring develops inside…

Q: List the hormones responsible for oogenesis, and explain each hormone’s effect on oogenesis.

A: Oogenesis is the process of formation of ovum from primordial germ cells of the ovarian lining.…

Q: Name the pituitary hormone responsible for the following action: • essential for egg release from…

A: Pituitary is the smallest endocrine gland located just below the hypothalamus. These are the…

Q: Explain the terms: placenta and relaxin.

A: Embryonic development is the process by which the embryo forms and develops. In mammals, this term…

Q: n your own words: Expound how the mass of inert yolk influences gastrulation in amphibians,…

A: In evolutionary biology, evolutionary developmental biology is considered a new norm. It developed…

Q: The birth starts thanks to increased ... ... release of glucocorticoids from the fetus. ...…

A: The time between the initiation of productive contractions and the birth is referred to as the birth…

Q: Estrogens stimulate the development of ______. sperm production facial hair a low-pitched…

A: The estrogen is the major female sex hormone and it is responsible for the regulation and…

Q: On average, girls begin puberty at about the ageof______________ , boys at about the age of…

A: Girls' breasts normally develop earliest as they approach puberty.Breast buds can be exceedingly…

Q: Explain the importance of calcium in internal and external fertilization.

A: The fusion of gametes, mainly from two opposite sexes, is referred to as fertilization. The…

Q: Compare and contrast the following terms: A young pregnant woman comes into the physician’s office…

A: Physicians play an important role in the health sector. They do not only help in prescribing…

Q: Give gestation period of elephant, dog, cow.

A: The fertilization can be defined as the process in which the male sperm fuses with the female egg to…

Q: Explain the way in which the yolk amount affects the cleavage. Compare the Cleavage in a sea star…

A: Yolk  Yolk is a nutrient rich part of the egg which support the growth of developing embryo.

Q: How does amount of yolk affect cleavage? Compare cleavage in a sea star with that in a bird

A: Fertilization is the process of fusion between haploid male and female gametes to form diploid…

Q: development of babies

A: Introduction:- Children grow and develop rapidly in their first five years across the four main…

Q: The order in which the physiological stages occur during embryonic development is and

A: The fusion of haploid male gamete(sperm) and female gamete(egg/ovum) to form diploid zygotes is…

Q: increases the risk of infant death

A: Option B : It increases the risk of infant death

Q: Expound how the mass of inert yolk influences gastrulation in amphibians, reptiles and mammals.

A: Answer  All these animals belong to vertebrate and vertebrates, possess much more amount of yolk as…