Which of the following is inheritable?a) An altered gene in spermb) An altered gene in testesc) An altered gene in Zygoted) An altered gene in udder cell

Q: What is myometrium?

A: The uterus is an inverted pear-shaped muscular pouch which is a part of female reproductive system.…

Q: What causes the contraction of the uterus ?

A: The uterus is a hollow muscular organ located between the bladder and the rectum in the female…

Q: is in vitro fertilization a humen disease?

A: In vitro Fertilization (IVF) is a type of Assisted reproductive technology (ART). This implies…

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: What is the main stimulus for the secretory phase of the endometrium?

A: Endometrium is the inner lining of uterus made of columnar epithelial cells. Its part of female…

Q: What happens if the fallopian tubes are partially blocked and the ovulated eggs are prevented from…

A: The fallopian tubes are two thin tubes located on each side of the uterus. It is the site of…

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: Why is the blood-testis barrier necessary?

A: Testis : This is important structure in male reproductive system. The testes are oval organs about…

Q: What is the significance of cleavage during the early stages of development?

A: The cleavage is the division of cells in the early stage of an organism. This implies that with each…

Q: What is the vernix caseosa of the fetus? What purpose does it serve?

A: The unborn offspring developing from the zygote in an animal or human is called a fetus. The fetal…

Q: How are the development events, which you have observed to occur in the testis and ovary,…

A: The initial processes of gonads development are essentially similar in both sexes consisting of…

Q: How is polyspermy prevented?

A: Polyspermy is the process by which multiple sperms fertilize a single egg. This happens in only 1%…

Q: Why do benign ovarian cysts develop in women who ovulate?

A: Cysts are fluid-filled sacs that can occur in any part of the body. The cysts that occur in the…

Q: What is bipotential gonads ?

A: Answer- Gonads are sexual organs that form gametes and are crutial in sexual reproduction process.

Q: Name the three germ layers, and identify several types of structures thatarise from each.

A: Ans: Germ layers: The layers which are formed during the early stage of embryonic development are…

Q: What is aprosodia?

A: Aprosodia is a neurodisorder. Aprosodia means without prosody. Prosody is a linguistic term which…

Q: Which gene is responsible for the development of the gonads into testes?

A: Introduction Chromosomes are classified into two types: Autosomes and Allosomes/Sex chromosomes. The…

Q: Why do anabolic steroids lead to reduced sperm counts?

A: A steroid is an organically dynamic natural compound with four rings orchestrated in a particular…

Q: Oogenesis is the formation of the ovum within a follicle. A mature follicle containing an ovum,…

A: Answer : b.5 A mature follicle containing an ovum, prior to ovulation is called Graafian follicle

Q: Where does fertilization normally occur?

A: Reproduction ensures the continuity of species on earth. It can occur in two ways that is sexual…

Q: Why Contraceptive implants are used ?

A: Implants are artificial methods of contraception.

Q: What is the first stage of labor in a pregnancy?

A: The first stage of labor and birth occurs when the regular contractions are felt. During the first…

Q: What is the definition implantation?

A: Embryology is a branch of biology that involves the study of the formation and development of an…

Q: What is the difference in appearance between a primordial and a primary follicle?

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

Q: What cell exports large amount of RNA to the oocyte?

A: Hi! Thanks for your question. But as you have posted multiple questions, I am answering the first…

Q: How is the child affected if it has grown from the zygote formed by an XX-egg fertilized by…

A: Zygote is also known as a fertilized egg because it is formed by the process of fertilization in…

Q: Name three functions of the uterus.

A: Introduction  The female reproductive system comprises of following organs: Primary reproductive…

Q: Can sperm with DNA fragmentation fertilize an egg?

A: The process that involves fusion of the male and female gametes namely sperm and ovum respectively…

Q: What happens when Wnt4 genes are activated? What gonads developed?

A: Wnt4 proteins are encoded by Wnt genes which are present on chromosome number 1. Presence of Wnt4…

Q: Which of the following rows correctly identifies the source of placental formation?

A: During pregnancy, the placenta attaches the developing fetus to the uterine wall of the mother. It…

Q: What are the similarities and differnces between spermatogenesis and oogenesis?

A: Spermatogenesis and oogenesis are two different processes of the production of gametes. It is…

Q: Why is fetal Hb essential for the survival of placental animals?

A: Hemoglobin is an oxygen transport protein in mammals. It is made up of four sub-units. Adult…

Q: What is the advantage of internal fertilization over external fertilization and vice versa?

A: Question - What is the advantage of internal fertilization over external fertilization and vice…

Q: How common is sperm DNA fragmentation?

A: Sperms are the haploid male reproductive cells, which fuses with the haploid ovum or egg to form…

Q: What is the name of the stem cells that form mature sperm?

A: The development of haploid spermatozoa from germ cells in the seminiferous tubules present in the…

Q: Which germ layer does structure #5 arise from?

A: The given image depicts a chicken embryo after about 33 hours of fertilization. At this stage, the…

Q: Define the term Ovary?

A: In the female reproductive system, the menstrual cycle is the regular natural change that occurs…

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 time period for which sperm and egg are viable?

A: The mixed glands that serve the function of gamete production in the male reproductive system and…

Q: What is the main stimulus for the proliferative phase of the endometrium?

A: The changes during a menstrual cycle can be divided into three phases: i.) Proliferative phase ii.)…

Q: why the lambs’ blood must be filtered as it circulates through the artificial placenta?

A: An organ of the body that exclusively develops in females during pregnancy. It acts as a supply…

Q: Where does fertilization usually occur?

A: Sexual reproduction is a type of reproduction, which involves a complex life cycle in which a…

Q: what are the principal structures each germ layer gives rise to in the adult?

A: The zygote is a cell formed by the union sex cell of the male (sperm) and sex cell of the female…

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…