How could you tell if a prepubertal female had an overly active zona reticularis?

Q: How might stress to a pregnant rat alter the sexual orientation of her male offspring?

A: Sexual orientation is acquired by the result of a combination of environmental, emotional, hormonal,…

Q: Name the plasma membrane outside the mature ovum.

A: Reproductive system in context to human beings consists of primary sex organs that are also known as…

Q: What is the function of the ovaries in a flowering plant?   To produce female gametes…

A: The plants are the multicellular eukaryote of the kingdom Plantae. It is the autotrophic organism…

Q: Why is the cytoplasm of sperm cells very reduced? Why do mitochondria of sperm cells concentrate in…

A: sperm cell is formed inside the testis.

Q: Which of the following structures secretes the hormone that sustains the corpus luteum during the…

A: Corpus luteum is a temporary endocrine structure involved in ovulation and early pregnancy.  The…

Q: the vacuole is  important because it is where

A: The vacuoles are membrane-bounded sac-like structures present within the cytoplasm of both the plant…

Q: Explain female strobili?

A: Male and female reproductive organs are different in plants. These can easily be distinguished from…

Q: What is hypopharynx in cockroach?

A: Cockroaches are of ancient lineage and  have close resemblance with Insects so are known as tropical…

Q: How does the animal regulate the temperature of its scrotum during hot and cold climatic conditions?

A: The Scrotum is a sac of skin that hangs from the body at the front of the pelvis , between the legs.

Q: Name the third tier of embryonal cells in pinus formed.

A: All plants come under the kingdom Plantae. They are eukaryotes, multicellular, and having cell…

Q: What is the zygote stage?

A: The process of embryogenesis and fetal development initiate after the event of fertilization. It is…

Q: Why are the offspring of a male and a hermaphrodite more variablethan the offspring of a…

A: Hermaphrodites in reproductive biology are organisms that have both male and female sex organs. For…

Q: How big is a zygote?

A: A zygote is a cell that forms as a result of fertilization or fusion of male and female gametes. The…

Q: Compared to separate sexes and assuming self-fertilizing is not possible, what might be one…

A: Hermaphrodite  The organism that possess both sex organ male and female together inside the body are…

Q: What is ejaculatory duct and its function in cockroach?

A: Cockroaches (Periplaneta americana) fall under the phylum Arthropoda of the class Insecta.

Q: What is the first appearance of embryogenic callus?

A: The callus is basically an unorganized growing mass of parenchyma cells that is responsible for…

Q: Explain the juvenile phase.

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

Q: Draw the diagram of male thallus and female thallus and differntiate them?

A: The thallus is the vegetative a part of the body which will not differentiate into roots, stem, and…

Q: What is ovarian funnels in earthworm?

A: Earthworms are the members of the phylum Annelida of the kingdom Animalia.  The body of the…

Q: The ______ carries food and water to the developing zygote.

A: Nutrients are necessary for maintaining the growth of the embryo. In plants, the endosperm is the…

Q: Define(a) Juvenile phase,(b) Reproductive phase,(c) Senescent phase.

A: In many animals, the life cycle of the organism may include many stages like the juvenile phase,…

Q: Explain the asxual reproduction

A: Reproduction is the production of offspring. There are two types: Sexual reproduction  Asexual…

Q: If two sperm cells were able to fertilize the same oocyte, how many chromosomes would the zygote…

A: Healthy humans have 46 chromosomes, 23 from the sperm and 23 from the egg. It is widely known that…

Q: What is the advantage of cephalization?

A: Cephalization is an evolutionary process of concentrating the nervous tissues, sense organs and…

Q: What happens to the corpus luteum if fertilization does not take place?

A: Corpus luteum is a mass of cells formed in the ovary. It is responsible for the production of the…

Q: Draw the structure of female thallus and explain its parts?

A: Marchantia: It belongs to the kingdom Plantae and class Marchantiopsida. Its genus is Marchantia.…

Q: Explain how cephalization influence the concentration of the sense organs at the front of the body

A: Cephalization is an evolutionary trend in which the nervous system's commands are concentrated in…

Q: What happens if fertilization takes place in utreus?

A: Reproductive system (or genital system) is used for the sexual reproduction. The female attains…

Q: Generally how does a maleanimal realize that the femaleis receptive to copulation?

A: A social sign might be viewed as any standard of conduct that adequately passes on information…

Q: Name the sex cells of sexually reproducing animal.

A: Sexual reproduction is the production of a new organism in which the male gametes fuse with a female…

Q: What is anticipation? explain briefy.

A: Anticipation is the phenomenon where subsequent generations are at the risk of earlier and more…

Q: What is the importance of sensory cephalization in animal survival?

A: Cephalization is the process in animals by which nervous and sensory tissues become concentrated in…

Q: What result would Jost have obtained if female development alsorequired a signal from the gonad?

A: Endocrine system is a regulatory system of ductless glands that secrete chemical messengers called…

Q: what would likely occur if cilia were paralyzed at the time of ovulation?

A: Ovulation is the process of release of ovum from the ovary. It occurs when the FSH and LH both…

Q: Where does fertilization normally takes place in a human female.

A: Fertilization is the process of fusion of female gamete (ovum) and male gamete (sperm). Both the…

Q: Circle the organlama thatreproduce A SEXUALLYIN RED. Circle the organiama thatreproduce…

A: Sexual reproduction is the process in which two parents are involved and there occurs a fusion of…

Q: What would happen if a blastocyst implanted into the functional layer of the endometrium and a…

A: It is at the blastocyst stage of development that an embryo would normally move out of the fallopian…

Q: Briefly explain the process of fertilization in women.

A: Reproduction is the biological process by which new offspring are produced from parents, which is…

Q: Explain how the embryo forms from the zygote

A:

Q: How strobili are differentiate between male and female?

A: A strobilus is a reproductive structure characterized by overlapping scale-like parts, as a pine…

Q: What are the functions of Corpus Luteum?

A: Corpus luteum can be defined as a mass of cells formed in an ovary during pregnancy and is…

Q: 10. Ꮽ 11, 5

A: Introduction The ovary is a female reproductive system organ that contains multiple eggs (Ovum).…

Q: What is sexual response cycle?

A: In animals and plants that spread their species by sexual reproduction, sex is a feature that…

Q: 8

A: *The ovary is an organ can be found only in females which contains many ovum. *Ovaries will secretes…