35. Mr. Gascon is heterozygous for type A and Mrs Gascon is type B. They have three children named Lesly, Jemima ard Wenchel. Lesly is type B Jemima is type AB and Wenchel is type A. Based on the information, which child is adopted? A. Lesly B. Jemima 36. How is sex limited and sex influenced traits differ? A. Sex- limited traits are those that are expressed exclusively in one sex while sex-influenced traits are expressed in both sexes but more frequently in one than in the other sex B. Sex- limited traits occurs when the phenotype of the offspring is somewhere in between the phenotypes of both parents while sex- influenced traits are found only in one parent. C.Sex- limited traits are found on X and Y chromosomes while sex- influenced traits are found on the X chromosome only. D. Sex- limited traits occur only in males while sex-influenced traits occur only in females. 37. An extra finger in humans is rare but is due to a dominant gene. When one parent is normal, and the other parent has an extra finger but is heterozygous for the trait, what is the probobili C. Wenchel D.cannot be determined

Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN:9781337408332
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter13: Observing Patterns In Inherited Traits
Section: Chapter Questions
Problem 7SQ: A testcross is a way to determine ________. a. phenotype b. genotype c. dominance
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35. Mr. Gascon is heterozygous for type A and Mrs Gescon is type B. They have three children
named Lesly, Jemima ard Wenchel. Lesly is tyne B lemima is type AB and Wenchel is type A.
Based on the information, which child is adopted?
A. Lesly
B. Jemima
36. How is sex limited and sex influenced traits differ?
C. Wenchel
D.cannot be determined
A. Sex- limited traits are those that are expressed exclusively in one sex while sex-influenced
traits are expressed in both sexes but more frequently in one than in the other sex.
B. Sex- limited traits occurs when the phenotype of the offspring is somewhere in between the
phenotypes of both parents while sex- influenced traits are found only in one parent.
C.Sex- limited traits are found on X and Y chromosomes while sex- influenced traits are found
on the X chromosome only.
D. Sex- limited traits occur only in males while sex-influenced traits occur only in females.
37. An extra finger in humans is rare but is due to a dominant gene. When one
parent is normal, and the other parent has an extra finger but is heterozygous
for the trait, what is the probability that the first child will be normal?
A. zero percent
B. fifty percent
C. twenty-five percent
D.seventy-five percent
38. Color blindness is a sex-linked recessive trait in bumans A woman who is a carrier for color blindness
has children with a man who is color blind, Which of the following is true regarding their offspring?
A. All sons are carriers.
B. All sons are color blind.
C. No daughters are color b: :
D. Any daughter is either color blind or a carrier
39. Predict what will be the possible phenotypic outcomes of an organism who is heterozygous
for tallness (Tt) mated with a recessive (tt) individual?
A. 3 tall offspring
B. 4 tall offspring
C. 4 dwarfs' offspring
D.2 tall, 2 dwarfs' offspring
40. Which of the following is the major cause of wildlife depletion?
A. Pollution
B. Deforestation
41. Which is the correct formula in calculating population density?
A. D = number of runs / total population
B. D = population x area
C. D = number of runs x total population
D. D = pcpulation/area
42. Which of the following would not be illegal under the Endangered Species Act?
A. Having a permit to capture an endangered species for research
B. Digging up an endangered plant in your backyard and selling it
C. Destroying the habitat of an endangered plant during the building of a federal highway
D. Capturing a wild animal listed as a threatened species for exhibition in a zoo, provided the
animal was well cared.
43. Which of the following would not be illegal under the Endangered Species Act?
A. Having a pemit to capture an endangered species for research
B. Digging up an endangered plant in your backyard and selling it
C. Destroying the habitat of an endangered plant during the building of a federal highway
D. Capturing a wild animal listed as a threatened species for exhibition in a zoo, provided the
animal was well cared.
C. Overfishing
D. Eutrophication
44. Which situation illustrates the relationship between a limiting factor and
population density?
A. When birth rate is greater than death rate, population increases.
B. When the population in a given area increases, the population density also
increases.
C. Population sizes change with the number of births or when organisms
move out of an ecosystem.
D. When the population of goats and cows in a field increases rapidly, there
may not be enough food for each of them.
Transcribed Image Text:35. Mr. Gascon is heterozygous for type A and Mrs Gescon is type B. They have three children named Lesly, Jemima ard Wenchel. Lesly is tyne B lemima is type AB and Wenchel is type A. Based on the information, which child is adopted? A. Lesly B. Jemima 36. How is sex limited and sex influenced traits differ? C. Wenchel D.cannot be determined A. Sex- limited traits are those that are expressed exclusively in one sex while sex-influenced traits are expressed in both sexes but more frequently in one than in the other sex. B. Sex- limited traits occurs when the phenotype of the offspring is somewhere in between the phenotypes of both parents while sex- influenced traits are found only in one parent. C.Sex- limited traits are found on X and Y chromosomes while sex- influenced traits are found on the X chromosome only. D. Sex- limited traits occur only in males while sex-influenced traits occur only in females. 37. An extra finger in humans is rare but is due to a dominant gene. When one parent is normal, and the other parent has an extra finger but is heterozygous for the trait, what is the probability that the first child will be normal? A. zero percent B. fifty percent C. twenty-five percent D.seventy-five percent 38. Color blindness is a sex-linked recessive trait in bumans A woman who is a carrier for color blindness has children with a man who is color blind, Which of the following is true regarding their offspring? A. All sons are carriers. B. All sons are color blind. C. No daughters are color b: : D. Any daughter is either color blind or a carrier 39. Predict what will be the possible phenotypic outcomes of an organism who is heterozygous for tallness (Tt) mated with a recessive (tt) individual? A. 3 tall offspring B. 4 tall offspring C. 4 dwarfs' offspring D.2 tall, 2 dwarfs' offspring 40. Which of the following is the major cause of wildlife depletion? A. Pollution B. Deforestation 41. Which is the correct formula in calculating population density? A. D = number of runs / total population B. D = population x area C. D = number of runs x total population D. D = pcpulation/area 42. Which of the following would not be illegal under the Endangered Species Act? A. Having a permit to capture an endangered species for research B. Digging up an endangered plant in your backyard and selling it C. Destroying the habitat of an endangered plant during the building of a federal highway D. Capturing a wild animal listed as a threatened species for exhibition in a zoo, provided the animal was well cared. 43. Which of the following would not be illegal under the Endangered Species Act? A. Having a pemit to capture an endangered species for research B. Digging up an endangered plant in your backyard and selling it C. Destroying the habitat of an endangered plant during the building of a federal highway D. Capturing a wild animal listed as a threatened species for exhibition in a zoo, provided the animal was well cared. C. Overfishing D. Eutrophication 44. Which situation illustrates the relationship between a limiting factor and population density? A. When birth rate is greater than death rate, population increases. B. When the population in a given area increases, the population density also increases. C. Population sizes change with the number of births or when organisms move out of an ecosystem. D. When the population of goats and cows in a field increases rapidly, there may not be enough food for each of them.
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