Q: Which process involves the shaping of the embryo and cell migration?
A: Developmental biology is the branch of science that includes the studies of a diversity of…
Q: Y Why is fetal Hb essential for the survival ofplacental animals?
A: Hemoglobin is an oxygen transport protein in mammals. It is made up of four subunits. Adult…
Q: How many days does it normally take from the fertilisation of the egg up to birth of the baby?
A: The normal human gestation period is from thirty-seven weeks to forty-two weeks or 259 days to 293…
Q: What happens to placenta after the birth of the baby?
A: The process of physical expulsion of the fetus and placenta from the uterus is called labor or…
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 structure of the placenta and the pathways for exchange between maternal and fetal…
A: The placenta is an organ that forms in the uterus during pregnancy and helps in the transport of…
Q: Why does theheterozygote have an advantage?
A: When an individual contains a dissimilar pair of alleles for the same gene, the condition is…
Q: Describe the function of the extraembryonic membranes.
A: It is situated outside the embryo and developed from the zygote but not part of the embryo Four…
Q: Explain the Human embryo at beginning of fifth week ?
A: The time between conception and birth of a baby is called the gestation period. A normal gestation…
Q: What is an ectopic pregnancy?
A: Ectopic pregnancies exist in around one out of every 50 conceptions, as per the statistics of the…
Q: What is embryos
A: Introduction The life starts from single cell called Zygote. A zygote is formed by the fusion of…
Q: Which events make up the three stages of labor?
A: Events that make up the three stages of labor are : Active labor : when neck of cervix is dilated…
Q: Why does only one sperm fertilize the egg, and why is this important?
A: Fertilization is the process in which gametes (an egg and sperm) fuse to form a zygote. The egg and…
Q: a) Give two types of germ layer and what do they become (b)Briefly describe why it is important the…
A: Germ layers: a. The three layers of tissues that become established during the early embryonic…
Q: How does a morula differ from a blastocyst?
A: Morula Vs Blastocyst: Morula stay distinct from a blastocyst, in which a morula (3-4 days…
Q: If identical human twins develop from separate placentas, when must the embryo have separated? When…
A: Reproduction is the biological process through which the new individual organism is produced from…
Q: Where does the formation of germ cells and sperm takes place?
A: Developmental biology is that the branch of biology that deals with the study the processes by that…
Q: Which structure connects the embryo to the placenta?
A: Umbilical cord
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 major function of the Placenta?
A: The placenta is an organ that develops in uterus during pregnancy. The placenta is the interface…
Q: How does the risk of chromosomal abnormality in a child change with themother’s age?
A: Chromosomal anomaly, abnormality or aberration refers to the abnormality in the structure and number…
Q: Which structure helps to expel the baby during labor? a. myometrium b. cervix c. endometrium d.…
A: In human females, the gestation period is about 9 months and the baby is delivered after this period…
Q: Explain the extraembryonic membrane ?
A: The extraembryonic membrane is an important part of embryo development. Hence, it is crucial to have…
Q: What factor contribute to the healthy development of infants/babies ? Provide details
A: Aside from physical appearance, newborns inherit a lot from their parents genetically, including eye…
Q: Explain the Embryonic Germ Layers ?
A: The layers of cells produced during the early phase of embryo development which gives rise to the…
Q: How is Deoxygenated blood carried from the fetus to the placenta?
A: A developed unborn mammalian child in the womb is the fetus. The interaction link that aids in…
Q: What would happen if human chorionic gonadotropin levels did not rise adequately during pregnancy?
A: Hormones are chemical messengers secreted by the glands present in the body. They are responsible…
Q: Explain how is the age of the embryo and it's delivery date determined?
A: An embryo is the early stage of development of a multicellular living being. In common, in life…
Q: Do the mother and the fetus exchange cells through the placenta?
A: Introduction In this question we we will discuss whether the mother and the fetus exchange cells…
Q: Where does fertilization usually take place?
A: The reproductive system consists of two system namely male reproductive system and female…
Q: How is the yolk formed?
A: Cells are the basic structural and functional units of life. These are the building blocks that make…
Q: Where oogenesis does takes place. Describe the stages of this process?
A: Diagrammatic representation of oogenesis: -
Q: What happens during embryogenesis?
A: After the process of fertilization, the process of zygote development starts to form an embryo and…
Q: Endometrium function?
A: UTERUS It is a major female secondary sex organ of the reproductive system in humans and most other…
Q: What are the defferent mechanism the egg employed to ensure that only one sperm cell will fertilize…
A: Polyspermy is a fatal condition in which several sperm nucleus engage with the female nucleus.…
Q: How does the embryo get nourishment inside the mother’s body?
A: Embryo means the developing offspring from the time of approximately 2nd to 8th weeks after the…
Q: development of babies
A: Introduction:- Children grow and develop rapidly in their first five years across the four main…
Q: What is external fertilisation?
A: Fertilization is the process by which male and female gametes are fused together, initiating the…
Q: What is the developmental fate of the inner cell mass of the blastocyst?
A: A diploid zygote is formed by the union of a haploid egg cell and a haploid sperm cell. The zygote…
Q: What causes maternal inheritance?
A: Maternal inheritance is a form of inheritance in which traits of the progenies are maternal in…
Q: Explain the Formation of the extraembryonic membranes
A: An extraembryonic membrane is one of the membranes which assist in the development of the embryo. It…
Q: what is amniocentesis?
A: Prenatal genetic tests are conducted before the birth to detect any genetic disorder. It helps to…
Q: During which of the 3 stages of oogenesis does the oocyte nucleus move?
A: Oogenesis- Oogenesis is the process of formation of female gametes. This process begins inside the…
Q: Why would the absence of a father affect the timing of puberty?
A: Puberty is defined as the stage when a child starts to grow sexually. During this stage, physical…
Is there a exchange of cells between the mother and the fetus through the placenta?
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Solved in 2 steps
- Does the placenta allow fetal blood cells to mix with the maternal blood?Describe how the following components relate to the placenta: umbilical arteriescotyledons, fetal vessels,chorionic villi, intervillous space, spiral arterioles, and umbilical vein?Do the mother and the fetus exchange cells through the placenta?
- How does the mother’s circulatory system provide nutrients to the fetus without allowing the blood of the mother to mix with the fetal blood?Describe the structure of the placenta and the pathways for exchange between maternal and fetal blood?Explain how the structure of the placenta prevents mixing of fetal and maternal blood while allowing for the exchange of substances between the mother and the fetus.