Proteins (including transcription factors) and mRNAs that come in with the egg of an embryo will start the process of determination in a growing embryo. These are collectively called ___________ ____________

Q: Fill in the blank:  _________________ is the phase of development during which cellular divisions…

A: The multicellular organisms develop from an early stage called an embryo. Embryonic development…

Q: As development progresses, individual cells become more and more restricted in the range of cell…

A: Development biology concerns the basic characteristic features of development of an organism almost…

Q: A cesarean section that involves an incision in the upper segment of the uterus is coded as

A: Occasionally, a transverse incision in the upper segment of the uterus is used to perform acaesarean…

Q: Fill in the blank:  The cell resulting from fertilization is called a(an) ___________________.

A: The gametes are present in both males and females. These are the haploid cells that are required for…

Q: Fill in the blank: The cell resulting from fertilization divides by the process of…

A: The division of a cell into two or more cells is called cell division. The mitosis and meiosis are…

Q: Amniocentesis is a test conducted on fetal cells found in amniotic fluid todetermine whether the…

A: Fertilization is the process of fusion of male gamete with the female gamete. After fertilization,…

Q: The human placenta is composed of ___________ (maternal/embryonic/both maternal and embryonic)…

A: Introduction: The placenta is a structure that develops throughout the embryonic phase and the first…

Q: Give the correct answer to the question. There can be multiple correct answers. If none of the…

A: A)  All choices are the true  Because  I) To The formation of the ventral the  furrow and to the…

Q: Chemicals that pass through the placenta’s screen and may harm an embryo or fetus are…

A: The substances like teratogens may cause physical and functional defects in the fetus, which can…

Q: Give the name of the structure that the phrase describes.The name of the thin, protective membrane…

A: An embryo is the first phase of the development of offspring in the sexual reproduction species.…

Q: Fill in the blank:  A human offspring is called a(an) ___________________ until the end of the…

A: The development of human offspring takes around nine months. The development involves four stages.…

Q: Fill in the blank:  A primary oocyte is closely surrounded by flattened epithelial cells called…

A: Sexual reproduction is the main process in various microscopic organisms. The primary process in…

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: Fill in the blank:  The myometrium is largely composed of _______________________ tissue.

A: The female reproductive system is comprised of the external and internal sex organs, which play a…

Q: Some Stages of Embryonic Development   Gastrulation Zygote Implantation Blastocyst The order in…

A: Fertilization is a process whereby two gametes fuse together to form a zygote in the . In humans,…

Q: Fill in the blank: The asexual reproduction in bacteria is __________________________

A: Bacteria comprises of prokaryotic members whose cell wall is made up of peptidoglycan. Peptidoglycan…

Q: Which type(s) of embryological testing would you perform in order to determine the level of…

A: The process of formation of an embryo with the uterus is known as embryogenesis. It is a complex…

Q: In embryos with spiral cleavage the 4d cell gives rise to which germ…

A: INTRODUCTION Mesoderm It is a germ layer formed during gastrulation. Present between ectoderm and…

Q: Chemicals that pass through the placenta’s screen and mayharm an embryo or fetus are called…

A: The common chromosomal abnormality that occurs due to a missing or extra chromosome number is called…

Q: The first cell of an offspring is a(an) ___________.

A: The old cells divide into daughter cells. The cell division is of two types. These are mitosis and…

Q: __________ is the process by which egg cells are formed.

A: Gametes are the reproductive cells of an organism. In females, the gametes are called ova or egg…

Q: The period of development during which the contents of a zygote is divided into smaller and smaller…

A: Gametes are the reproductive cells of an organism. In females, the gametes are called ova or egg…

Q: The technical name for the fore-skin which covers the glans p-enis at birth is the 2) Where is the…

A: In sexually reproducing organisms male and female organisms produce haploid (n) sperm and ovum (egg)…

Q: Drinking alcohol during pregnancy can lead to fetal alcohol syndrome, a condition that can cause…

A: Fetal alcohol syndrome is a condition in a child that results from alcohol exposure during the…

Q: Sexual differentiation begins close to 4 weeks after fertilization, but cannot be seen visually…

A: The formation of the reproductive organs begins shortly after egg fertilisation, with the primordial…

Q: Fill in the blank:  The number of chromosomes normally present in a human sperm cell is…

A: Step 1 Sperm cells or spermatozoa are gametes that are produced in the testicular organ, the gonads…

Q: Fill in the blank:  The hollow ball of cells formed early in development is called a(an)…

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

Q: Give the name of the structure that the phrase describes. The number of primary germ layers that…

A: The development of a human embryo is called embryogenesis, which starts with the fertilization of an…

Q: The hormone that stimulates female breast development is _____________.

A: Hormones are chemicals that are parts of the endocrine system. They are secreted by various glands…

Q: During fertilization in flowering plants, one sperm cell nucleus fuses with the egg nucleus,…

A: The gymnosperms, also known as Acrogymnospermae. They produce seeds without covering. So, they are…