Is the sperm or the egg are responsible for the sex of the cheaks?

Q: Sketch, label and describe male and female reproductive structure in Riccia

A: Riccia is a group that contains liverworts and marchantia. These are thalloid plants and are not…

Q: Is the sperm or the egg responsible for the sex of the chicks?

A: Sex determination is process by which the sex of the foetus can be determined. The sex in organisms…

Q: what is most likely the sex of this individual?

A: In uman the total chromosome number is 46 or 23 pairs. It is the diploid number of chromosomes.…

Q: How many eggs does a woman have?

A: The phenomenon of sexual reproduction is more common than asexual reproduction. This is because, in…

Q: If it takes just one sperm to fertilize an egg,why do males make so many?

A: During fertilization, the head of sperm binds to the zona pellucida layer of egg and induce acrosome…

Q: Is the degenerating blastocoel visible in the frog gastrula?

A: FROG GASTRULA:         The initial stage of multicellular embryo comprises of two or more germinal…

Q: a) How are oocytes released?  b) How are spermatozoa released?  c) What is the frequency of both?…

A: Meiosis is a cell division in which the diploid cell divides into a haploid cell, reducing the…

Q: The contraceptive 'SAHELI' is?

A: Contraception is the deliberate use of artificial methods or other techniques to prevent pregnancy…

Q: Is this a fertilized sea urchin? why?

A: A sea urchin egg to be fertilized means that it should contain a zygote. Zygote is a diploid…

Q: Write a short note on fertilization in Riccia ?

A: These plants are small and thalloid, meaning they lack root, stem, and leaf differentiation. The…

Q: What would happen if two sperm fertilized the same egg cell? If twosperm fertilized two egg cells?

A: Step 1 Fertilization and implantation is the process of fusion of two types of gametes (spermatozoa…

Q: What happenes if fertilization doesnot takes place in utreus?

A: Humans, as mammals, have the capability to reproduce sexually. Sexual reproduction requires the…

Q: What would be the number of chromosome in the spermatids?

A: The thread-like structures present in the nucleus of almost all living cells are termed as…

Q: What are the types of twins and which of them share a placenta and amniotic sac ?

A: Twin pregnancies occur when the mother conceives two fetuses. Twins are classified based on the…

Q: What determines the sex of the fertilized egg? Please provide examples like research experiments…

A: Fertilization occurs when a sperm cell encounters an egg cell successfully in the fallopian tube.…

Q: IS opulation?

A: A population is a subgroup of individuals from a single species that inhabit a specific geographic…

Q: How do the two kinds of mammalian reproductive cycles— estrous and menstrual differ?

A: Fertility is more tightly regulated in the female then males. Female placental mammals have one or…

Q: Explain the asxual reproduction

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

Q: Which letter is pointing to the female Ascaris?

A: Kingdom Animalia is a vast kingdom which comprises of animals.  It is divided into vertebrates and…

Q: Why are pregnant women cautioned against cleaning litter boxes?

A: Litter box A litter box, or cat box, is used for collection of urine and feces of cats as well as…

Q: Where in the human assigned female reproductive tract does fertilization of the egg take place?

A: Fertilization is the process in which a sperm and egg are fused together in the uterine tube of the…

Q: Why is it immoral to culture headless embryos when in fact it can help to help people who need organ…

A: Murder of an individual is considered immoral. On similar terms, an embryo which is cultured to be…

Q: How long after ovulationmust fecundation occur to beeffective?

A: All the living cells need to divide and reproduce in order to grow and develop further into complex…

Q: How many eggs are released by a human ovary in a month? How manyeggs do you think would have been…

A: The ovary is an organ present in the female reproductive system that produces an ovum (egg cell).…

Q: Why is it more difficult to determine the sex of a newlyhatched canary than a newborn puppy?

A: A sex-determination mechanism is a physiological system that controls how an organism's sexual…

Q: Which layer is responsible for encasing the growing embryo?

A: An embryo is an early stage of development that is present in a multicellular organism. Embryonic…

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: Is Barr's Corpuscle a Reliable Tool for Sex Determination?

A: Canine morphology is used for the determining the sex. However aside from this technique, X and Y…

Q: How many sexual organs do male koalas have?

A: koala is considered a common tree-living herbivorous animal in Australia. It belongs to the class…

Q: Why are most babies born in the spring?

A: The Center for Disease Control and Prevention (cdc) presents birth rate by month data, noting July…

Q: How to widen the vagina to make women have less pain duirng coitus?

A: KEY WORDS :- Coitus - Sexual penetration.

Q: Is a zygote a fertilized egg?

A: Fertilization is the process whereby gametes from each parent fuse to produce a new cell.

Q: If the egg is not fertilized, the disintegrates causing

A: The merger of haploid gametes, egg and sperm, to form the diploid zygote is known as fertilization.…

Q: If a woman is DdHH, how many different types of eggs can she produce?

A: Homozygous is the genotype of an organism with two identical alleles at a locus. Heterozygous refers…

Q: Why do the sperm “cork-screw” while swimming?

A: Sperm is motile reproductive cell formed in male testis. It reaches fallopian tube of female…

Q: What is the function of tail in the sperm.

A: Reproduction is the process that ensures the continuity of species on earth. It is the main feature…

Q: What is the difference between the testes of shark and frog?

A: Testes are the male reproductive organ that is responsible for producing spermatozoa or male…

Q: Draw the chromosomes in the zygote (cell after fertilization) egg cell fertilization sperm cell of

A: The fusion of feale gamete (egg cell) and male gamete (sperm) is termed as fertilization.

Q: How many egg nuclei will be obtained from 200 megaspore mother cells?

A: Introduction A megaspore mother cell, also known as a megasporocyte, is a diploid cell in plants…

Q: If a girl started at the age of 14 and continued until the age of 49,calculate the number of eggs…

A: According to the menstrual cycle, A woman has the ability to view let only one egg per menstrual…