Reproductive Systems

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Reproductive Systems Questions and Answers

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Why is a vas deferens longer than an oviduct?
What are the essential organs of the male reproductive system?
What are the external organs of the male reproductive system?
What do each of the three male glands contribute to the semen?
What is the most superior part of the male reproduction system?
Which organ system is responsible for making and delivering sperm?
Describe the anatomy of the penis.
What structure holds the testes?
Which cells secrete testosterone?
Which is the last structure that a sperm travels through before it leaves the body? a. vas deferens b. epididymis c. ureter d. urethra e. vas efferens
What is the importance of human sperms and eggs having only 23 chromosomes?
Meiosis is a critical process for many living organisms. If an organism became unable to complete meiosis, what effect would it have on the organism? a. The organism would not grow by adding new ce...
The menstrual flow is the result of A. no implantation of a zygote. B. decreased levels of progesterone. C. discarded uterine linings. D. all of the above
If a zygote went through a series of 4 cell divisions, how many cells would be in the embryo? a. 32 b. 8 c. 10 e. 16
Which of the following is not a function of the placenta? (A) exchange blood between mother and fetus (B) secrete hormones to maintain pregnancy (C) provides oxygen for the fetus (D) eliminates...
Why is it necessary to reduce the chromosome number of gametes (egg and sperm), but not other cells of an organism?
If one testicle is surgically removed, the remaining testicle will compensate. Thus, the remaining testicle may double in size. This is a result of an increase in the number of __________________...
What is true of gametes and spores? Are they haploid or diploid? Are they autosomal? Are they joined in fertilization?
What are gametes? Where are gametes produced?
What is gametogenesis? Briefly explain
How many chromosomes does a human gamete (egg or sperm cell) have? A) 46. B) 23. C) 2. D) 13. E) 92.
What helps sperm cells to move towards oocyte in a Fallopian tube? A) Sertoli cells. B) Ciliated cells. C) Flagella. D) Granulosa cells. E) Keratinocytes.
A special organelle in a sperm cell that contains enzymes and allows it to penetrate into oocyte is called _______. A) ribosome. B) acrosome. C) mitochondria. D) nucleus.
What cellular organelle or structure is affected when the sperm of a man cannot swim and thus rendering him infertile?
The placenta is the structure formed: A. by the union of fetal and uterine tissue B. by fetus only C. by fusion of germ layers D. None of these
Which of the following cells contains the fewest number of chromosomes? a) an unfertilized human egg b) a zygote c) a human ovary cell d) a human testis cell from a male with Klinefelter syndrome
Show all the different kinds of gametes that could be produced by the following individuals. a. Bb b. AaBb c. CCDdee d. CcDd e. AA
Show all the different kinds of gametes that could be produced by the following individuals. a. aa b. AABb c. aabb d. TTRR e. AaBbCc
Gametes have chromosome number. a. Diploid (2n) b. Haploid (1n) c. Tetraploid (4n) d. abnormal
Why is the process of fertilization important in restoring chromosome numbers?
How many different types of gametes could be produced through independent assortment by an individual with the genotype AaBbCC? a. 1 b. 2 c. 3 d. 4 e. 6
State True or False. Unlike other members of the plant kingdom, C-ferns produce male and female gametes by mitosis instead of meiosis.
Gametes are produced by the process of A. meiosis. B. replication. C. mitosis. D. crossing-over.
What process occurs to form gametes in plants?
In organisms that reproduce sexually, which of the following are the sex cells that carry the genetic information from each parent? (a) Diploid gametes. (b) Haploid gametes. (c) Haploid zygotes. (d...
The production of gametes or sex cells is called a. chromosomes b. genes c. gametogenesis d. karyotype
If human cells were genetically modified, which of the following GM cells would directly affect future generations: - intesinal - immune - gamete - somatic
The event that ensures that a baby will have the normal (diploid) number of Chromosomes is a) ovulation. b) fertilization. c) implantation.
Explain what happens in the fertilization process.
What would happen if gametes were produced by mitosis instead of meiosis?
What is the importance of metaphase in mitosis? What is the difference between spermatogensis and oogensis?
What are the parts of a sperm cell?
Compare and contrast the processes of spermatogenesis and oogenesis. Include what is happening meiotically as well as to the cells themselves.
Distinguish sperm from eggs. In some primitive organisms, eggs and sperm are of similar size, and are motile. Discuss the application of the terms "male" and "female" in these cases and explain . H...
What does follicular activity mean?
Placenta is the intimate connection between foetus and uterine wall of the mother to exchange of materials, haemochorial type of placenta is examplified by - tiger - dog - cat - all of these
The C value denotes the total number of DNA in a a) Diploid b) Haploid c) Aneuploid d) Polyploid.
What part of a sperm cell is responsible for locomotion?
What part of a sperm cell contains mitochondria?
What part of a sperm cell contains chromosomes?
What is the male reproductive system specialized in producing?
Do gametes carry 1 allele or 2 alleles of a gene? Would a sperm cell only have 1 allele to carry?
Through which are the chromosomes, transmitted according to the path of transmission of factors from the parental generation to offspring's as indicated by Mendle? Option are as follows: (1) heredi...
Is estrogen anabolic or catabolic?
Can a hysterectomy prevent cervical cancer?
What cellular organelle or structure is affected when the sperm of a man cannot swim thus rendering him infertile?
What is a juvenile phase?
How do the sizes of the oocytes differ as they move from the follicular stage towards the mature graafian follicle?
Is DNA a heredity substance or not?
In his lifetime a man produces many millions of sperm cells and yet he is most unlikely to have more than ten children. Suggest a biological advantage of producing such vast numbers of sperm.
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