AnswersSC491 Biology AAcquired and Inherited Traits

Acquired and Inherited Traits Answers

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Which statement best describes how the environment influences the traits of an individual?

A
The environment influences the gene expression which can change the genotype.
B
The environment influences the gene expression which can change the phenotype.
C
The environment influences only external factors.
D
The environment influences only internal factors.
2
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Chameleons have a long tongue used to catch insects. The five toes on each foot are bound in two separate groups: one group of two toes and one group of three toes. This allows chameleons to grasp onto branches. Chameleons also have a flexible tail they use to hold onto branches, and they can change the color of their skin to communicate with other chameleons and for camouflage. Which statement about chameleons refers to the expression of a trait that is most influenced by the environment?

A
The chameleon has one of its two groups of toes around a branch.
B
The chameleon’s flexible tail is grasping a twig.
C
The chameleon’s long tongue is curled in its mouth.
D
The chameleon has skin that turned brown-red.
3

Which statement best describes heredity?

A
Traits coded for in DNA are passed from parent to offspring.
B
Individuals are born with acquired traits.
C
Inherited traits are the result of an organism's experiences.
D
Acquired traits can be passed on to one's offspring.
4

A student is given a list of traits and is asked to organize them in a Venn diagram as shown below. Which traits should the student put in section II (Both)?

Question illustration
A
a scar and blood type
B
tiger's stripes and wolf's social status
C
musical talent and wolf's social status
D
musical talent and skin color
5

Jaden’s father is not sensitive to poison ivy. Jaden is also not sensitive to poison ivy. Jaden’s lack of sensitivity to poison ivy is which kind of trait?

A
environmental
B
acquired
C
learned
D
inherited
6

A student is given a list of traits and is asked to organize them in a Venn diagram as shown below. Which traits should the student put in section III (Acquired)?

Question illustration
A
skin color and tiger's stripes
B
a scar and wolf's social status
C
musical talent and blood type
D
skin color and blood type
7

Tara has two dogs. They win many of the agility competitions they enter. These competitions test a dog's ability to run, jump, maneuver around and through obstacles, and follow complex instructions. These two dogs have a litter of puppies together. Which description most correctly describes these puppies?

A
The puppies are guaranteed to win agility competitions.
B
With training, the puppies are likely to excel at agility competitions.
C
The puppies will be born with the ability to complete agility competitions.
D
Without training. the puppies are no more likely to succeed at agility competitions than any other dog.
8

Which is an internal environmental factor that affects heredity?

A
light
B
temperature
C
nutrition
D
hormones
9

Which describes the relationship between a genotype, a phenotype, and an organism’s experiences?

A
A genotype is an organism's allele combination. A phenotype is the physical appearance of a trait in an organism, which may be influenced by the organism’s experiences.
B
A genotype is an organism's allele combination, which may be influenced by the organism’s experiences. A phenotype is the physical appearance of a trait in an organism.
C
A phenotype is an organism's allele combination. A genotype is the physical appearance of a trait in an organism, which may be influenced by the organism’s experiences.
D
A phenotype is an organism's allele combination, which may be influenced by the organism’s experiences. A genotype is the physical appearance of a trait in an organism.
10

Lisa's mother is shown in the image. Which trait is Lisa most likely to inherit from her mother?

Question illustration
A
pierced ears
B
pink hair
C
bright red lips
D
brown eyes

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Acquired and Inherited Traits Answers — SC491…