Q: Explain how sexual differentiation is determined by the sex chromosomes and prenatal hormones?
A: Chromosomal determination of sex - It is also known as allosomic determination of sex and is based…
Q: how Mutations in Sex DeterminationPathway Genes Can Result inIntersexuality Disorders?
A: An alteration in DNA sequence which makes up a gene is known as a mutation. These mutations gives…
Q: Describe, from fertilization, the major pathways of normal male sex development. Include the stages…
A: Humans reproduce by sexual reproduction. The fusion of male gametes and female gametes gives rise to…
Q: Distinguish between the concepts of sexual differentiation and sex determination.
A: Sexual reproduction is a type of reproduction in which organism under goes different cycles like…
Q: Why do males even exist? Is there any advantage to keeping males around from a genetic perspective?
A: Reproduction: Important biological process by which new offspring are reproduced by their parents is…
Q: Women with_________ syndrome have a single X chromosome. They typically ________(do/do not) undergo…
A: Genetic diseases are the diseases that are caused by defects in the gene that occur during mutation…
Q: . Describe several differences between asexual and sexualreproduction.
A: Reproduction is a biological process of creation or production of new offsprings from a parent cell.…
Q: All of the following are requirements for successful external fertilization except for one. Which…
A: Since there are multiple questions in this particular question I'll answer the first one for you. If…
Q: There are 5 primary oocytes that will undergo cell division, How many polar bodies will be formed…
A: Polar body are small cell produced from the primary oocytes during meiosis. Theses polar body do not…
Q: The change of successful fertilization is approximately 18% in every cycle. Why does this statistic…
A: c. Vagina is very acidic, killing many sperms. this statement seems to be false.
Q: Sexual reproduction results in offspring that are genetically different from one another and from…
A: Organisms reproduce to form new generations through sexual or asexual reproduction mechanisms.…
Q: During asexual reproduction, the zygote develops into an embryo which turns to be an identical copy…
A: Asexual reproduction is the process of producing identical daughter cells without fusion of gamets.…
Q: In protandrous hermaphroditism _____. A) Some individuals may change from male to female B) Males…
A: Hermaphroditism Hermaphroditism is a condition where male and female sexes are present in same…
Q: Contrast the biological advantages of hermaphroditism that involves cross-fertilization with…
A: Hermaphroditism is referred to as intersex which is a condition in which there is a discrepancy…
Q: In which of the following does fertilization occur outside the body? a. in vitro fertilizationb.…
A: The process of the formation of new organisms from the existing organisms is called reproduction. It…
Q: Gametes 5. Determine the probability of having: (a) Affected children: Possible fertilizations (b)…
A: Sex-linked traits: In the humans the sex chromosomes are, in females XX and in males XY. The…
Q: iv. Two nuclei cells in Stage W will be fertilized by two male gametes. State how the two male…
A: Blooming plants replicate physically through a cycle called fertilization. The blossoms contain male…
Q: Unlike mitosis, meiosis in male mammals results in the formation of
A: Answer: MEIOSIS = It is the cell division where a cell is divides in to four haploid cells, It is a…
Q: “What is the advantage of internal fertilization over external fertilization and vice versa”?
A: Reproduction is the natural cycle by which new individual creatures – "offspring" – are delivered…
Q: Why do you think the zygote is dormant for sometime in a fertilised ovule?
A: In angiosperm, pollination is the process in which pollens are transferred from the stamen to the…
Q: Normal somatic cells of horses have 64 chromosomes (2 n = 64). How many chromosomes and DNA…
A: Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…
Q: Which of the following is true regarding the determinants of sexual development: the presence…
A: Introduction - During fetal development the sex organs that is gonads of the fetus are…
Q: Select all of the phrases that apply to asexual reproduction rgan requires two parents O little…
A: Asexual reproduction : It is a type of reproduction which involves only one type of gametes. There…
Q: Describe the basis of sex reversal in humans.
A: Sex-reversal is an event in which the sex of an offspring is opposite to the genetically determined…
Q: Explain the three mechanisms that contribute to genetic variations in sexual life cycle.
A: It refers to the diversity in frequency of gene. It can refer to differences between individuals or…
Q: Fertilization generally occurs in the _________. fallopian tubes ovary uterus…
A: A gamete is a haploid cell that fuses with another haploid cell during fertilization in organisms…
Q: TRUE FALSE About the seed 1°) it contains water reserves 2°) it results from the transformation of…
A: Plant morphology the branch of botany deals with the study of external forms and features of…
Q: Compare and contrast the mechanisms of polyspermy block in internal versus external fertilization.
A: When an egg is fertilized by more than one sperm it is called as polyspermy. Generally in diploid…
Q: Give some hazard of prenatal development
A: Prenatal development is a critical time for the developing individual. It is during this time that…
Q: Discuss whether the following individuals (1) have male or female gonads, (2) are phenotypically…
A: xy chromosome determines that a person is phenotypically mail XX Vinod type determines that a person…
Q: Female Reproductive System Menstruation is triggered by: a decrease of estrogen and progesterone a…
A: The female primates shows a characteristics reproductive cycle that is known as menstrual cycle that…
Q: The sex of an infant will be female when The mother's ovary produces testosterone early in…
A: The clinical term that is used to define the unborn yet growing offspring inside a mother's womb is…
Q: The following characteristics are true of the male gamete sperm except: A. lifespan: 72 hours B.…
A: The reproductive cells of an organism are known as gametes. They can also be referred to as sex…
Q: If nondisjunction of the sex chromosomes takes place in meiosis I in the male in Figure , what…
A: Meiosis is a type of cell division in which a diploid cell undergoes reductional division to form…
Q: In the Z-W system of sex determination: O the female gamete determines the sex of the offspring the…
A: The genotype is defined as the genetic make up of an organism.
Q: Why does corpus luteum stay active throughout pregnancy and in the absence of fertilization, is…
A: Introduction We will answer the question in below step.
Q: Describe how a female primordial germ cell can produce multiple gametes.
A: The female reproductive system includes ovaries, uterine tubes or oviduct, uterus, vagina, vulva and…
Q: Which of the following structure a mean of asexual propogation in plants
A: Asexual propagation is the production of new plants from stems, leaves, or roots of a parent plant.…
Q: What are the significance of FERTILIZATION. State whether it is a normal developmental phenomena or…
A: Reproduction involves all the process that lead to propagation of progeny. It is essential to keep…
Q: Outline different mechanisms of sex determination
A: Sex determination is the biological phenomenon, which is responsible for determining the development…
Q: Discuss and compare the source (mechanism) and types of increased mutations in older mother oocytes…
A: Germline mutation are the mutations that are present in parent's egg or sperm cells. When an egg…
Q: ASEXUAL SEXUAL
A: Reproduction is one of the most important biological process that allows organisms to produce…
Q: Describe, from fertilization, the major pathways of normal male sexual development; include the…
A: In males, several testis-determining genes on the Y chromosome direct the sexually undifferentiated…
Q: Having extra sex chromosome can have less serious negative effects than having an extra autosome and…
A: Answer: Human Chromosomes : A normal human has 46 chromosomes that is 23 pairs of chromosomes where…
Q: What answer choice ?
A: Mitosis and meiosis are the two types of nuclear divisions in eukaryotic cells. Mitosis (also known…
Q: Explain the consequent of each of the following on neurulation: a. Inhibition of microtubules…
A: Neurulation is one of the major development stages of embryonic development of animals. Neurulation…
Q: observe that your drug-treated embryo is than an untreated control fertilized at the same time
A: Mitosis is a type of cell division which take place in body cells. Mitosis is a way of making more…
Q: Compare between asexual and sexual reproduction Asexual Sexual Disadvantage Advantage…
A: Reproduction is the act of producing offspring. It is different from sexual reproduction, which…
Q: Compare and contrast gamete formation in males and females
A: Gonads can be defined as the reproductive organs which produce the gametes that participate in…
Q: Sperm cells are male gametes that are produced through meiosis. What is the significance of meiosis…
A: Meiosis is called reductional division while mitosis is called equational division. Mitosis cell…
Explain the factors affecting of your success or failure in asexual propagation.
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- The following characteristics are true of the male gamete sperm except:A. lifespan: 72 hours B. with 23 chromosomes, 22 autosomes and a Y sex chromosome C. produced by the testes D. has 2 types: androsperm carries the Y-sex chromosome and the gynosperm which carries the X-sex chromosome Provide explanation.. Describe several differences between asexual and sexualreproduction.Fill in the blank: The cell resulting from fertilization is called a(an) ___________________.
- Genetic variations: Explain the three mechanisms that contribute to genetic variations in sexual life cycle.Explain the consequent of each of the following on neurulation: a. Inhibition of microtubules polymerization. b. Inhibition of the motor activity of myosin.what causes activation of certain genes before fertilization? Please answer asap and in short and content should not be palgarised please
- Describe the events that lead to slow and fast blocks to polyspermy and the differences between the "wave of depolarization" that passes over the egg and the "action potential" that propagates along a neuron.What are the significance of FERTILIZATION. State whether it is a normal developmental phenomena or not, support your answer.how Mutations in Sex DeterminationPathway Genes Can Result inIntersexuality Disorders?
- Which of the following is not an important component of the slow block to polyspermy Group of answer choices A. depolarization of the cell B. a physical space between the cell membrane and the fertilization envelope C. hardening of the vitelline layer and jelly coat to form the fertilization envelopeThe route followed by a sperm from production to fertilization in a flowering plant is: -A sperm cell, enclosed in a pollen grain with another sperm, is produced in the filamentIt is transported to a stigma where it passes through a pollen tube that grows down the style to the ovaryThe pollen grain enters the ovule and joins with the egg cell. -A sperm cell is produced in the antherIt is transported to a stigma where it becomes enclosed along with another sperm cell into a pollen grainThe pollen grain grows down the style to the ovaryIt enters the ovule and joins with the egg cell. -A pollen grain is produced in the pistil, which explosively ejects it into the airThe pollen grain is transported to a stigma where it forms two sperm cells.One of the sperm cells passes through a pollen tube that grows down the style to the ovaryThe sperm enters the ovule and joins with the egg cell. -A pollen grain is produced in the antherIt is transported to a stigma where it produces two sperm…Describe the post-fertilisation changes in a flower.
