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: What is the number of sex chromosomes in male honey bees?
A: Introduction A sex chromosome is a chromosome that is variable in form, size, and function from an…
Q: How does independent assortment, crossing over and random fertilization contribute to genetic…
A: Genetic variation refers to diversity in gene frequencies. Genetic variation can be referred to as…
Q: What is the kinetochore and What is the function of kinetochore?
A: Kinetochore is a disc-shaped protein that assembles on the centromere to link the chromosomes to…
Q: what might be the disadvantage to temperature-dependet sex determination?
A: Sex determination of an organism is the process by which certain factors like genes, temperature or…
Q: What is considered to be the fundamental difference between males and females of most organisms?
A: The males and females of almost all species differ from one another in various characteristics.…
Q: What structural and biochemical changes do the spermatid undergo during spermiogenesis? How do these…
A: introduction:-Spermatogenesis is the formation of sperm cells. To produce spermatozoa, rounded…
Q: Why is sperm usage biased when femalefruit flies mate twice?
A: Biology is a branch of science that studies about the living organisms. The biology studies about…
Q: Describe the XX-XO system of sex determination. In this system, which is the heterogametic sex and…
A: In a biological system, the development of sexual characteristics in an organism determined by the…
Q: a.) The conversion of the genital ridge into the bipotential gonad requires the Sf1, Wt1, and Lhx9…
A: Sex determination : There are certain genes which plays important role in sex determination. But…
Q: Describe the role of the SRY gene in mammalian sexual development.
A: The human male genital or reproductive system has two sections, the external and internal male…
Q: Concerning the sexchromosomes of the XYsystem which type of gametedo the male and the…
A: Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each…
Q: Explain the process of X-Chromosome Inactivation in Mammalian Females.
A: Mammals are the vertebrate having mammary glands as one of their main characteristics which…
Q: How would low levels of testosterone affect the American alligator population?
A: Testosterone is a steroid hormone that stimulates the development of male secondary sexual…
Q: How do we know whether or not a heteromorphic chromosome such as the Y chromosome plays a crucial…
A: Sex determination is the foundation or establishment of sex through differential advancement in a…
Q: Can you give an example of species in the Philippines that has been documented to perform…
A: A group of organisms which share the genetic heritage and can interbred as a result of which they…
Q: In humans, what are the random and non-random events in sexual reproduction (post-meiosis) that…
A: Reproduction is the process in which new offspring are produced from the parent. Sexual reproduction…
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: What is the evolutionary significance of parthenogenesis in the class insects?
A: Parthenogenesis is a type of asexual reproduction in which the offspring develops from unfertilized…
Q: How is sex determined in humans? Which sex determines the sex of the offspring?
A: Sex determination is the determination of sex by examining the sex chromosomes in the individual.…
Q: What are the advantages and disadvantages of the alternation between fertilization and meiosis in…
A: The fusion of female gamete (egg cell) and male gamete (sperm) is termed as fertilization.
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: What specific observations (evidence) support the conclusions about sex determination in Drosophila…
A: BASIC INFORMATION SEX DETERMINATION It is basically the establishment of the gender of an…
Q: Explain why genetic mutations in asexual organisms lead to much more rapid evolutionary change than…
A: Reproduction is the biological process through which new individual organisms are produced from…
Q: What are two distinct chromosomes that provide the basis of sex determination?
A: In a biological system, the development of sexual characteristics in an organism is determined by…
Q: Give account of events that occur following mating and before the onset of cleavage in mammals
A: The vertebrate animals that have the ability to give birth to young ones and can provide nourishment…
Q: Outline the molecular mechanism of sex determination in Drosophila and mammals.
A: Sex determination refers to determining the sex of an individual. The sex of an organism is…
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: What prevents an individual from mating with itself?
A: Mating is the process when hermaphroditic organisms or individuals of two opposite sex pair up for…
Q: How many polar bodies are given out in production of one egg during cogenesis?
A: In the human female reproductive system, the process of formation and maturation of the female…
Q: What determines sex in birds, reptiles, humans, ants, and bees?
A: In most of the animals, sex is determined by sex chromosomes.
Q: Determines Sex in Drosophila?
A: Drosophila melanogaster is a common fruit fly. It is most common subject used in majority of genetic…
Q: A black female cat (XBXB) and an orange male cat (X0Y) weremated to each other and produced a male…
A: A calico cat is any breed of cat that has a tri-colored fur. It will mostly consist of a…
Q: How does sex determination in Drosophila differ from sex determination in humans?
A: Sex determination is a method for determining the sexual characteristics within an organism. These…
Q: In tabular form, Cite the differences of spermatogenesis on grasshopper and rat
A: Introduction: The animal kingdom is characterized by eukaryotic, multicellular animal forms.…
Q: How is the sex-determination mechanism different in the birds?
A: A sex-determination system is a biological system that determines the development of sexual…
Q: How do chromosomal, genic, and environmental sex-determining systems differ?
A: Small nucleotide stretches present on DNA molecules that encode information for the synthesis of…
Q: What is the difference between sex determination in mammals and in Drosophila?
A: Sex determination is the process of identification of different sex that is male and female, in…
Q: Describe the major difference between sex determination in Drosophila and in humans.
A: Drosophila melanogaster refers to the fruit fly which is widely used in genetic research as it has…
Q: What are two important differences between the processes of spermatogenesis and oogenesis in…
A: The process of formation of gametes is called as gametogenesis. In the diploid organism, the gametes…
Q: Can you an example of species in the Philippines that has been documented to perform…
A: A group of organisms which share the genetic heritage and can interbred as a result of which they…
Q: How is the geneticdetermination of sexestablished in humans?
A: Sexual reproduction is a type of reproduction in which organism under goes different cycles like…
Q: On what assumptions Ratio of Males to Females in Humans is determined ?
A: The sex ratio is the male-to-female ratio in a population. In most sexually reproducing animals, the…
Q: Why males, in most of the species, provide no paternal care?
A: Reproduction is the most important life function that is prevalent throughout all organisms. It can…
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