1- Chapter 7 refers to the formation of sperm cells (spermatogenesis) and egg cells (oogenesis). What...
1- Chapter 7 refers to the formation of sperm cells (spermatogenesis) and egg cells (oogenesis). What is different about the products of meiosis in males and females?
Homework Answers
The first thing that we must know is that males and females use the process of meiosis in order to produce gametes. However, there are some different features in each sex. The production of gametes occurs at different stages and locations between sexes. However, both sexes undergo meiosis in a similar way.
In males, meiosis takes place at the seminiferous tubules during puberty while in female, the meiosis takes place just after birth at the oogonia in the ovary.
The products will be the ovules (in females) and sperms (in males). One of the main differences between both sexual products is that sperms are motile while the ovules are non motile. Another difference is that during spermatogenesis, there will be formed four functional sperms while in oogenesis, only one ovule will be formed.
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1- Chapter 7 refers to the formation of sperm
cells (spermatogenesis) and egg cells (oogenesis). What...
QUESTION 1 Match the following descriptions with either being a part of oogenesis, spermatogenesis, or both...
QUESTION 1 Match the following descriptions with either being a part of oogenesis, spermatogenesis, or both B Gametes are produced by meiosis A One primary cell (primary oocyte in females or primary spermatocyte in males) produces four functional gametes One prin A Spermatogenesis only C Production of all the primary cells occurs before birth B Both oogenesis and spermatogenesis C. Meiosis finishes only after fertilization occurs C Oogenesis only C , Gametes are relatively smaller than the primary cell that...
Question 8 (2.25 points) In humans, as in most living mammal species, the _____ provide(s) nutrition...
Question 8 (2.25 points) In humans, as in most living mammal species, the _____ provide(s) nutrition for the majority of fetal development: ( 1) yolk sac O2) placenta O 3) serosa O 4) amnion 05) mammary glands Question 9 (2.25 points) copulatory plugs, the presence of a baculum, faster sperm, large testes, and the presence of genital spines are all a result of natural selection for: O a) asexual reproduction b) protecting embryos from drying out O c) sperm competition...
Which of these forms of reproduction requires an egg? fission budding fragmentation parthenogenesis Each of these...
Which of these forms of reproduction requires an egg? fission budding fragmentation parthenogenesis Each of these forms of reproduction requires an egg. None of these forms of reproduction requires an egg. In human males the Sertoli cells release the chemical inhibin when the sperm are too numerous and does not release it when more sperm need to be made? How do human females regulate the production of eggs within their lives? The ovaries make eggs only when sperm are present....
. Chapter 16: Reproductive System • Following their production in the testis, immature sperm cells are...
. Chapter 16: Reproductive System • Following their production in the testis, immature sperm cells are transferred just outside the testis to the where they mature. Since the pH of the female vagina is not suitable for the survival of sperm, secretions from the gland of the male are a necessary component of semen to raise the pH. • Sperm and egg cells contain half the number of chromosomes found in somatic cells, and are referred to as which comes...
6.What is the name of the cells that secrete insulin in the pancreas? What is the...
6.What is the name of the cells that secrete insulin in the pancreas? What is the function of insulin? What is the difference between type 1 and type 2 diabetes and which one is more prevalent in today’s society? What are the name of the cells that secrete glucagon in the pancreas and what is glucagon’s function? 7.What is the name of the gonad for the male and female, respectively? What is the function of follicle stimulating hormone in males...
Gametes are sex cells that include egg and sperm. What is true about the number of...
Gametes are sex cells that include egg and sperm. What is true about the number of chromosomes in gametes versus the parent cells that gave rise to them?
Explain why oogenesis leads to the formation of only 1 egg & two polar bodies instead...
Explain why oogenesis leads to the formation of only 1 egg & two polar bodies instead of 4 eggs. 4 sentences or less.
HELP ASAP !!! QUESTION 2. This question refers to Chapter 4, oogenesis. Some cells visible here...
HELP ASAP !!!
QUESTION 2. This question refers to Chapter 4, oogenesis. Some cells visible here are very large, unlike most cells, which are barely visible under low power. What are the large cells visible here called? This section is taken from a/an (organ), which is part of the system. Which general type of animal do you think this section is taken from? acrosome EXONIM QUESTION 3. This question refers to sea urchin head fertilization-in Chapter 5 in jelly coal...
a 7. A man may have fertility problems if his sperm count is lower than 15...
a 7. A man may have fertility problems if his sperm count is lower than 15 million sperm per milliliter. Discuss why a man must have so many sperm if only one actually fertilizes the egg. 1. Why are spermatozoa created by meiosis and not by mitosis? 2. Why is the formation of polar bodies necessary to the formation of a functional ovum?
1. What is "sperm competition"? What is its significance? 2. Describe what "sperm removal" is, and...
1. What is "sperm competition"? What is its significance? 2. Describe what "sperm removal" is, and give one specific example of an insect or arachnid species in which sperm removal occurs. 3. How can sperm quantity, morphology, and other characteristics influence male reproductive success in insects? 4. Define and describe: "cryptic female choice" 5. Déscribe the selective influence of cryptic female choice on the evolution of male genitalia insects. Provide examples as needed. 6. What is "postcopulatory selection?" Provide an...
QUESTION 1 Match the following descriptions with either being a part of oogenesis, spermatogenesis, or both B Gametes are produced by meiosis A One primary cell (primary oocyte in females or primary spermatocyte in males) produces four functional gametes One prin A Spermatogenesis only C Production of all the primary cells occurs before birth B Both oogenesis and spermatogenesis C. Meiosis finishes only after fertilization occurs C Oogenesis only C , Gametes are relatively smaller than the primary cell that...
Question 8 (2.25 points) In humans, as in most living mammal species, the _____ provide(s) nutrition for the majority of fetal development: ( 1) yolk sac O2) placenta O 3) serosa O 4) amnion 05) mammary glands Question 9 (2.25 points) copulatory plugs, the presence of a baculum, faster sperm, large testes, and the presence of genital spines are all a result of natural selection for: O a) asexual reproduction b) protecting embryos from drying out O c) sperm competition...
. Chapter 16: Reproductive System • Following their production in the testis, immature sperm cells are transferred just outside the testis to the where they mature. Since the pH of the female vagina is not suitable for the survival of sperm, secretions from the gland of the male are a necessary component of semen to raise the pH. • Sperm and egg cells contain half the number of chromosomes found in somatic cells, and are referred to as which comes...
HELP ASAP !!!
QUESTION 2. This question refers to Chapter 4, oogenesis. Some cells visible here are very large, unlike most cells, which are barely visible under low power. What are the large cells visible here called? This section is taken from a/an (organ), which is part of the system. Which general type of animal do you think this section is taken from? acrosome EXONIM QUESTION 3. This question refers to sea urchin head fertilization-in Chapter 5 in jelly coal...
a 7. A man may have fertility problems if his sperm count is lower than 15 million sperm per milliliter. Discuss why a man must have so many sperm if only one actually fertilizes the egg. 1. Why are spermatozoa created by meiosis and not by mitosis? 2. Why is the formation of polar bodies necessary to the formation of a functional ovum?
1. What is "sperm competition"? What is its significance? 2. Describe what "sperm removal" is, and give one specific example of an insect or arachnid species in which sperm removal occurs. 3. How can sperm quantity, morphology, and other characteristics influence male reproductive success in insects? 4. Define and describe: "cryptic female choice" 5. Déscribe the selective influence of cryptic female choice on the evolution of male genitalia insects. Provide examples as needed. 6. What is "postcopulatory selection?" Provide an...
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