Bundle: Biology: The Unity and Diversity of Life, 14th + LMS Integrated for MindTap Biology, 1 term (6 months) Printed Access Card
14th Edition
ISBN: 9781305774384
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 42, Problem 3SQ
Summary Introduction
Concept introduction: The process where the zygote undergoes several changes to form a youngling is known as development. During the development, the regulated gene expression takes place. As a result, the morphogens are produced that regulate how the organism should develop into a youngling.
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Chapter 42 Solutions
Bundle: Biology: The Unity and Diversity of Life, 14th + LMS Integrated for MindTap Biology, 1 term (6 months) Printed Access Card
Ch. 42 - The end product of cleavage is a __________. a....Ch. 42 - The outermost germ layer in a vertebrate gastrula...Ch. 42 - Prob. 3SQCh. 42 - Match each term with the most suitable...Ch. 42 - In humans, fertilization typically occurs in the...Ch. 42 - The ________, a fluid-filled sac, surrounds and...Ch. 42 - Prob. 1DAACh. 42 - Prob. 2DAACh. 42 - Prob. 3DAACh. 42 - Birth Defects and Multiple Births A woman who...
Ch. 42 - The placenta consists of __________. a. embryonic...Ch. 42 - During the fetal period, ____________. a....Ch. 42 - Prob. 9SQCh. 42 - Match each hormone with its action(s). ______...Ch. 42 - Prob. 11SQCh. 42 - Prob. 12SQCh. 42 - Prob. 13SQCh. 42 - Prob. 14SQCh. 42 - Prob. 15SQCh. 42 - The rubella virus causes German measles. If a...Ch. 42 - Prob. 2CTCh. 42 - Prob. 3CT
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- ________is an example of reproductive cloning. a. Somatic cell nuclear transfer (SCNT) b. Multiple offspring from the same pregnancy c. Artificial embryo splitting d. In vitro fertilizationarrow_forwardThe cell-free DNA test name was coined from the fact that ______. A. fetal DNA floats freely in the mother's blood, not inside the cell. B. no cell sample is required C. cells move freely in the fetal DNA D. None of the chocies are correctarrow_forwardMorphogens area. molecules that disrupt normal development.b. molecules that convey positional information and promote changesin development.c. mutagenic agents that cause apoptosis.d. receptors that allow cells to adhere to the extracellular matrix.e. both a and carrow_forward
- During development, cells become a. differentiated before they become determined. b. determined before they become differentiated. c. determined by the loss of genetic material. d. differentiated by the loss of genetic material.arrow_forwardA cytoplasmic determinant can control development at the early stages of development because....? Group of answer choices a. it is a universal activator of all genes b. it is present evenly throughout the cytoplasm c. it is activated by cell division d. it is controlled by genes present in the cytoplasm e. it is laid down in the egg cell by the motherarrow_forwardMuscle cells differ from bone cells because they_______ . a. carry different genes c. are eukaryotic b. express different genes d. are different agesarrow_forward
- Cancer causing genes are called ________. a. transformation genes b. tumor suppressor genes c. oncogenes d. mutated genesarrow_forwardBlood islands are ________.a. clusters of blood-filtering cells in the placentab. masses of pluripotent stem cells scatteredthroughout the fetal bone marrowc. vascular tubes that give rise to the embryonictubular heart d. masses of developing blood vessels and formedelements scattered throughout the embryonic discarrow_forwardAn individual can inherit a gene in which expression has been altered by an ________ change with no mutation of the gene sequence. Choose the description in column 2 that best matches each gene in column 1. p53 c-myc A. tumor suppressor gene B. oncogenearrow_forward
- 1. After receiving the SR signal, stem cells in the developing organism will have an increased potential to specialize. The __ genes, when expressed, enable these embryonic stem cells the capacity to differentiate. A. SR B. Skin Diff C. ID D. Neural Diff E. DIV F. DET Please answer in short and ASAP .arrow_forwardWhy isn't the answer epiblast and hypoblast? Doesn't the entirety of the inner cell mass contribute to cells forming the embryo?arrow_forwardThe cells of the embryoblast differentiate into the ______ andthe ______.a. epiblast, hypoblastb. cytotrophoblast, syncytiotrophoblastc. amnioblast, epiblastd. epiblast, cytotrophoblastarrow_forward
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