BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 16, Problem 12SA
A mutation that alters the embryonic expression pattern of a(n) _______ may lead to major differnces in the adult form.
a. derived trait | c. homologous structure |
b. homeotic gene | d. analogous strcuture |
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Traits that are specialized to a particular lineage, and not widely shared among remotely related lineages, are called
(a)ancestral (primitive)
(b)derived (modified)
(c) non adaptive
Which statement about analogies is correct? a. They occur only as errors. b. They are synonymous with homologous traits. c. They are derived by similar environmental constraints. d. They are a form of mutation.
Assume the common ancestor was non-venomous, had non-jointed limbs, antennae, and 10 legs. Assume that all evolutionary changes in these traits are shown.
a) What traits does Species C have?
b) What traits does species F have?
Chapter 16 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 16 - The number of species on an island usually depends...Ch. 16 - The bones of a birds wing are similar to the bones...Ch. 16 - Evolution _______ natural selection. a. is the...Ch. 16 - A trait is adaptive if it _______. a. arises by...Ch. 16 - In which type of rock are you more likely to find...Ch. 16 - True or false? Wrinkly textures in rock that...Ch. 16 - If the half-life of a radioisotope is 20,000...Ch. 16 - Did Pangea or Gondwana form first?Ch. 16 - Forces that cause geological change do not include...Ch. 16 - Through _______, a body part of an ancestor is...
Ch. 16 - Prob. 11SACh. 16 - A mutation that alters the embryonic expression...Ch. 16 - The last dinosaurs died _______ million years ago.Ch. 16 - All of the following data types can be used as...Ch. 16 - Match the terms with the most suitable...Ch. 16 - Prob. 1CTCh. 16 - If you think of geologic time spans as minutes,...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
Which statement about analogies is correct? a. They occur only as errors. b. They are synonymous with homologous traits. c. They are derived by response to similar environmental pressures. d. They are a form of mutation.
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Homologous genesa. are derived from the same ancestral gene.b. are likely to carry out the same or similar functions.c. have similar DNA sequences.d. exhibit all of the above features.
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Inbreeding is sexual reproduction between individuals that are
a. homozygous.
b. heterozygous.
c. part of the same genetic lineage.
d. both a and c.
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The appendix, which is not needed to survive, is considered to be a?
a. Homology
b. Vestigial Structure
c. Homologous Structure
d. Analogous Structure
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Briefly explain why each of the following theories is incorrect: a. Pangenesis b. Preformationism c. Blending inheritance d. Inheritance of acquired characteristics
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According to the video “The Biology of Skin Color”, why is it that the allele coding for darker skin did not evolve to protect us from skin cancer?
A. Because skin cancer isn't harmful
B. Darker skin did develop to protect us from skin cancer
C. Because skin cancer usually develops after an individual's reproductive years, so it doesn't affect the ability for someone to pass on their genes
D. Because skin cancer usually develops before an individual's reproductive years, so it doesn't affect the ability for someone to pass on their genes
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A. What is the wild progenitor of maize and where is it found?
B. George Beadle concluded that this plant was the likely ancestor of maize (corn) even though the two plants appear very different. What evidence did Dr. Beadle collect that led to his conclusion?
C. How long ago was maize domesticated and what evidence was utilized to determine this?
D. Dr. Doebley and his team compared the DNA sequence of maize to that of a number of teosinte varieties from throughout Mexico. What did their analysis reveal?
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A scientist cloned a sheep. Which of these statement is true about the cloned sheep?
a.
It lacks the genes for reproduction
b.
It looks the same but has different genes
c.
It has the genes that are identical to the original sheep
d.
It has new genes and traits
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Genetics
Constrict a Table:
(i) Compare and contrast the down syndrome, pattau syndrome, turnor syndrome, Klinefelter syndrome, trisomy 21, trisomy 18.
(ii) compare and contrast the different inheritance disorders in pedigree.
(iii) compare and contrast the mendalin and non- mendalin types in detail (with all types).
Thanks in advance.
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An inguinal hernia results from ___
a.
testes that move out of the body where they develop like they do in fish
b.
disks between vertebrae slipping when backbone alignment is off
c.
the downward pressure on arteries unique to bipedal primates
d.
failing valves in veins returning blood to the heart of bipedal primates
e.
a sex-linked recessive allele that was carried by female descendants of Queen Victoria
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Why is it that the allele coding for darker skin did not evolve to protect us from skin cancer?
A.
Darker skin did develop to protect us from skin cancer
B.
Because skin cancer usually develops before an individual's reproductive years, so it doesn't affect the ability for someone to pass on their genes.
C.
Because skin cancer isn't harmful
D.
Because skin cancer usually develops after an individual's reproductive years, so it doesn't affect the ability for someone to pass on their genes
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Which of the following statements is true?a. Not all inheritance patterns follow a strict dominant/recessive relationship.b. Geneticists want to understand both inheritance patterns and theunderlying molecular mechanisms that cause them to happen.c. Different inheritance patterns are explained by a variety ofdifferent molecular mechanisms.d. All of the above are true.
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