Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Textbook Question
Chapter 35, Problem 4MCQ
Why can't a fertilized polar body develop into a fetus?
a. Because it has too few chromosomes
b. Because it has too many chromosomes
c. Because it lacks sufficient cytoplasm and organelles
d. Because it carries excess flagella
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You are studying reproduction in starfish (also known as sea stars). You are able to successfully extract sperm and eggs from individuals in the lab and artificially fertilize the eggs. What is the second thing you expect to see (from this list) in the zygote/embryo after successful fertilization?
Group of answer choices
A. development of a barrier against sperm entry
B. rapid cell division without growth
C. rapid growth and cell division
D. development of organs
You are studying reproduction in starfish (also known as sea stars). You are able to successfully extract sperm and eggs from individuals in the lab and artificially fertilize the eggs. What is the first thing you expect to see in the zygote/embryo after successful fertilization?
Group of answer choices
a. development of organs
b. development of a barrier against sperm entry
c. rapid cell division WITHOUT growth
d. rapid cell division with growth
How do you expect Kartagener syndrome leads to infertility?
A. The lack of a plasma membrane means that pathogens and foreign substances can permeate the sperm and damage the DNA
B. The lack of microtubules mean the sperm do not have tails and cannot swim to fertilize the egg
C. The lack of dynein means that the sperm cannot bend their tails to swim and fertilize the egg
Chapter 35 Solutions
Biology: Concepts and Investigations
Ch. 35.1 - Prob. 1MCCh. 35.1 - Prob. 2MCCh. 35.1 - Prob. 3MCCh. 35.2 - Prob. 1MCCh. 35.2 - Prob. 2MCCh. 35.2 - Prob. 3MCCh. 35.2 - Prob. 4MCCh. 35.3 - Prob. 1MCCh. 35.3 - Prob. 2MCCh. 35.3 - How do hormones regulate the ovarian and menstrual...
Ch. 35.4 - Prob. 1MCCh. 35.4 - Prob. 2MCCh. 35.4 - Prob. 3MCCh. 35.5 - What are the events of fertilization?Ch. 35.5 - What are the relationships among the zygote,...Ch. 35.5 - What is implantation, and when does it occur?Ch. 35.5 - Prob. 4MCCh. 35.5 - Prob. 5MCCh. 35.5 - What are the events of the second and third...Ch. 35.5 - Prob. 7MCCh. 35.6 - Prob. 1MCCh. 35.6 - Prob. 2MCCh. 35.6 - Prob. 3MCCh. 35.7 - Prob. 1MCCh. 35.7 - Prob. 2MCCh. 35 - Prob. 1MCQCh. 35 - Which hormones play central roles in both male and...Ch. 35 - Prob. 3MCQCh. 35 - Why can't a fertilized polar body develop into a...Ch. 35 - Prob. 5MCQCh. 35 - Prob. 6MCQCh. 35 - What is the correct order of structures to develop...Ch. 35 - A chemical that can cause a birth defect is a a....Ch. 35 - Prob. 1WIOCh. 35 - Prob. 2WIOCh. 35 - Prob. 3WIOCh. 35 - Prob. 4WIOCh. 35 - Prob. 5WIOCh. 35 - Prob. 6WIOCh. 35 - Is each of the following cell types haploid or...Ch. 35 - Prob. 8WIOCh. 35 - Prob. 9WIOCh. 35 - What would happen if two sperm fertilized the same...Ch. 35 - Prob. 11WIOCh. 35 - Prob. 12WIOCh. 35 - Prob. 13WIOCh. 35 - Prob. 14WIOCh. 35 - Prob. 15WIOCh. 35 - Prob. 16WIOCh. 35 - Prob. 17WIOCh. 35 - Prob. 18WIOCh. 35 - Prob. 19WIOCh. 35 - Review the Survey the Landscape figure in the...Ch. 35 - Add ovulation to the concept map. What hormonal...Ch. 35 - Add the terms placenta, follicle, polar body,...
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- Which type of cells do meiosis form? a Diploid b Haploid C Body cells d Genetically identicalarrow_forwardThis cell process illustrates a. meiosis b. interphase c. mitosis d. cytokinesisarrow_forwardWhich mechanism prevents an ovum from being fertilized by multiple sperm cells? Select one: a. When more than a single sperm cell fuses with the plasma membrane, multiple zygotes can form, leading to the conception of twins or triplets. b. When a sperm fuses with the plasma membrane of the egg, depolarization of the membrane occurs. c. Once a sperm penetrates the jelly-like coating of the egg, no other sperm cells can penetrate the coating. d. The egg can only survive in the Fallopian tube for 24 hours as it does not have mitochondria to produce energy.arrow_forward
- How do you make a three-parent baby? A. Replace intended Mom's nucleus with a donor's nucleus. B. Replace intended Mom's egg with a donor's egg. C. Replace intended Mom's mitochondria with a donor's mitochondria. D. Replace intended Dad's sperm with a donor's sperm.arrow_forwardChoose the best Following fertilization, the somatic cells of humans divide by:a. apoptosis c. mitosisb. meiosis d. DNA replicationarrow_forwardWhich of the following does NOT happen in the germinal period? a. dividing mass of cells travels to the uterus b. developing organs can be affected by toxins passing through the placenta c. mass of cells form a hollow ball d. cells begin to differentiate.arrow_forward
- What is the purpose of mitosis? a It ensures that new nuclei have an exact copy of DNA. b It ensures the reproduction of mitochondria and chloroplasts. c It guarantees that each daughter cell has half the amount of DNA of parent cells. d It prevents the occurrence of cancer cells.arrow_forwardWhich cell contributes the necessary nutrition to the growing zygote? a a polar body b the egg cell c a spermatocyte d the sperm cellarrow_forwardWhich mechanism prevents an ovum from being fertilized by multiple sperm cells? A. Once a sperm penetrates the jelly-like coating of the egg, no other sperm cell can penetrate the coating. B. When a sperm fuses with the plasma membrane of the egg, depolarization of the membrane occurs. C. The egg can survive in the Fallopian tube for 24 hours s it does not have mitochondria to produce energy. D. When more than a single sperm cell fuses with the plasma membrane, multiple zygotes can form, leading to the twin or triplets.arrow_forward
- Unpacking of chromosomes and the formation of a new nuclear envelope is a characteristic of which stage of mitosis? a. prometaphase b. metaphase c. anaphase d. telophasearrow_forwardAt which point during meiosis do haploid cells first appear? A. metaphase I B. anaphase I C. metaphase II D. anaphase IIarrow_forwardWhich of the following plays the greatest role in determining how cytoplasmic division occurs during cleavage? a. Number of chromosomes b. Amount of yolk c. Orientation of the vegetal pole d. Sex of the zygotearrow_forward
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