Traits And Heredity Eagles
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Questions and Answers
- 1.
The passing of traits from one generation to the next is called ___________________.
- A.
Imprinting
- B.
Heredity
- C.
Sexual reproduction
- D.
Instinct
Correct Answer
B. HeredityExplanation
Heredity refers to the passing of traits from one generation to the next. It involves the transmission of genetic information from parents to offspring, resulting in the inheritance of specific traits and characteristics. This process is responsible for the similarities and resemblances observed within families and across different generations.Rate this question:
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- 2.
Traits that offspring receive from their parents are ______________traits.
- A.
Instinct
- B.
Inherited
- C.
Reproductive
- D.
Given
Correct Answer
B. InheritedExplanation
Offspring receive traits from their parents through the process of inheritance. Inheritance involves the passing on of genetic information from one generation to the next, resulting in the transmission of traits from parents to their offspring. These inherited traits can include physical characteristics, such as eye color or height, as well as behavioral or instinctual traits. Therefore, the correct answer is "inherited."Rate this question:
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- 3.
A way of acting or behaving with which an animal is born is called a(n) _____________.
- A.
Instinct
- B.
Gift
- C.
Trait
- D.
Virus
Correct Answer
A. InstinctExplanation
An instinct is a natural behavior or reaction that an animal is born with. It is not learned or taught, but rather, it is innate and instinctive. This behavior helps the animal survive and adapt to its environment. It is different from a trait, which refers to a characteristic or feature of an animal, and a virus, which is a microscopic infectious agent. A gift is something given voluntarily to someone without payment or expectation of anything in return.Rate this question:
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- 4.
A behavior that develops during an animal's lifetime is a(n) __________________behavior.
- A.
Shared
- B.
Given
- C.
Bought
- D.
Learned
Correct Answer
D. LearnedExplanation
A behavior that develops during an animal's lifetime is referred to as a "learned" behavior. This means that the animal acquires or adapts its behavior through experience, observation, or training, rather than having it innately or genetically programmed. Learned behaviors can include things like problem-solving, communication, hunting techniques, and social interactions, among others. These behaviors are not instinctual and can vary among individuals and populations based on their environment and experiences.Rate this question:
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- 5.
When ducks hatch, they learn to recognize and follow their mother, a behavior called ____________________.
- A.
Childhood
- B.
Motherhood
- C.
Imprinting
- D.
Trait
Correct Answer
C. ImprintingExplanation
When ducks hatch, they learn to recognize and follow their mother, a behavior called imprinting. Imprinting is a form of learning where the young animal forms a strong attachment to its caregiver, usually the first moving object it sees after hatching. This behavior is crucial for the survival of the ducklings as it ensures that they stay close to their mother for protection and learn important skills for survival.Rate this question:
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- 6.
Mendel discovered that each inherited trait is controlled by two factors, one from each parent.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Mendel's discovery that each inherited trait is controlled by two factors, one from each parent, is known as the principle of dominance. This principle explains how traits are passed down from generation to generation. It means that an individual inherits one factor for a trait from each parent, and these factors can be either dominant or recessive. The dominant factor will be expressed in the individual's phenotype, while the recessive factor will only be expressed if both factors are recessive. This discovery laid the foundation for our understanding of genetics and inheritance.Rate this question:
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- 7.
Today scientists refer to Mendel's factors as __________.
- A.
Genes
- B.
Theories
- C.
Factors
- D.
Maps
Correct Answer
A. GenesExplanation
Scientists today refer to Mendel's factors as genes. This is because Mendel's work laid the foundation for the understanding of inheritance and the role of genetic factors in determining traits. Genes are the units of heredity that are responsible for the transmission of traits from one generation to another. Mendel's experiments with pea plants helped establish the concept of genes and their patterns of inheritance, which are fundamental to modern genetics.Rate this question:
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- 8.
Genes are found in the nucleus of the cell. They are stored on chromosomes.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Genes are indeed found in the nucleus of the cell. The nucleus is the central part of the cell that contains the DNA, which carries the genetic information in the form of genes. Genes are segments of DNA that determine the traits and characteristics of an organism. They are organized and stored on structures called chromosomes, which are located within the nucleus. Therefore, the statement that genes are found in the nucleus and stored on chromosomes is correct.Rate this question:
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- 9.
A trait that masks another trait is called a(n) ________________ trait.
- A.
Recessive
- B.
Dominant
- C.
Strong
- D.
Weak
Correct Answer
B. DominantExplanation
A trait that masks another trait is called a dominant trait. This means that when an individual has both a dominant and recessive allele for a particular trait, the dominant allele will be expressed, while the recessive allele will be hidden or masked. In other words, the dominant trait takes precedence over the recessive trait in determining the phenotype or physical appearance of an organism.Rate this question:
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- 10.
A trait that is masked is called a ______________ trait.
- A.
Weak
- B.
Recessive
- C.
Dominant
- D.
Strong
Correct Answer
B. RecessiveExplanation
A trait that is masked is called a recessive trait. This means that the trait is not expressed or visible in the presence of a dominant trait. In genetics, recessive traits are represented by lowercase letters and are only expressed when an individual inherits two copies of the recessive allele. Therefore, the correct answer is recessive.Rate this question:
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- 11.
In pea plants, purple flowers are a dominant trait and white flowers are a recessive trait. The purple trait is represented by _______________________and the white trait by p.
- A.
P
- B.
P
- C.
R
- D.
R
Correct Answer
A. PExplanation
The correct answer is P. In genetics, uppercase letters are typically used to represent dominant traits, while lowercase letters are used to represent recessive traits. In this case, the purple flower trait is dominant, so it is represented by the uppercase letter P.Rate this question:
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- 12.
On a pedigree chart, horizontal lines connect parents and vertical lines connect parents to _______________.
- A.
Traits
- B.
Offspring
- C.
Mothers
- D.
Squares
Correct Answer
B. OffspringExplanation
On a pedigree chart, horizontal lines connect parents and vertical lines connect parents to their offspring. This is because a pedigree chart is used to track the inheritance of traits and genetic information within a family. The vertical lines represent the generations, with each line connecting the parents to their children or offspring. Therefore, the correct answer is "offspring."Rate this question:
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- 13.
Males are represented by squares, and _________________are represented by circles.
- A.
Offspring
- B.
Females
- C.
Mothers
- D.
Plants
Correct Answer
B. FemalesExplanation
In the given question, it is stated that "Males are represented by squares". This implies that there is a representation for males, and since there is a comparison being made, there must also be a representation for females. Therefore, the correct answer is "females".Rate this question:
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- 14.
Shaded shapes represent individuals with a particular__________________ , and unshaded shapes represent individuals without that trait.
- A.
Parent
- B.
Trait
- C.
Cell
- D.
Gene
Correct Answer
B. TraitExplanation
The shaded shapes represent individuals with a particular trait, while the unshaded shapes represent individuals without that trait.Rate this question:
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- 15.
Dimples are a dominant trait, represented by the letter D. A child who is a carrier of the recessive trait is represented by ____________.
- A.
DD
- B.
Dd
- C.
Dd
- D.
Ddd
Correct Answer
B. DdExplanation
A child who is a carrier of the recessive trait is represented by Dd. This means that the child has one dominant allele (D) and one recessive allele (d) for the trait of dimples. While the dominant allele (D) will determine the presence of dimples, the recessive allele (d) will not be expressed in the phenotype. Therefore, the child will not have dimples but can pass on the recessive allele to their offspring.Rate this question:
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- 16.
Chart used to trace the history of traits in a family
- A.
System
- B.
Pedigree
- C.
Map
- D.
Heredity chart
Correct Answer
B. PedigreeExplanation
A pedigree is a chart used to trace the history of traits in a family. It is a visual representation of the genetic relationships within a family, showing how traits are passed down from generation to generation. Pedigrees are commonly used in genetics and genealogy to study inheritance patterns and identify the presence of genetic disorders or traits. This term accurately describes the chart used to trace the history of traits in a family, making it the correct answer.Rate this question:
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- 17.
Individual who has inherited a gene for a trait, but does not show the trait physically.
- A.
Offspring
- B.
Mother
- C.
Carrier
- D.
Borrower
Correct Answer
C. CarrierExplanation
A carrier is an individual who has inherited a gene for a trait but does not show the trait physically. They can pass on the gene to their offspring without displaying the trait themselves.Rate this question:
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- 18.
Mothers contains the chemical instructions for an inherited trait.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement suggests that "mothers" contain chemical instructions for an inherited trait, which is false. Inherited traits are determined by genes, which are present in both parents and are passed down to their offspring. The term "mothers" alone does not specify the source of these chemical instructions, as they are contributed by both parents. Therefore, the given statement is incorrect.Rate this question:
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- 19.
An Austrian monk,_________________ , discovered how traits are inherited
- A.
Cristof davis
- B.
Gregor Mendel
- C.
Sandra hook
- D.
Peter Mendel
Correct Answer
B. Gregor MendelExplanation
Gregor Mendel, an Austrian monk, is credited with discovering how traits are inherited. Mendel conducted experiments on pea plants in the mid-19th century and formulated the laws of inheritance, which laid the foundation for the field of genetics. His work demonstrated the principles of dominant and recessive traits, as well as the concept of genetic segregation and independent assortment. Mendel's discoveries were groundbreaking and revolutionized our understanding of heredity.Rate this question:
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- 20.
Offspring receive one set of genes from an egg cell and the other from the_____________ that fertilized the egg cell.
- A.
Trait
- B.
Sperm cell
- C.
Egg
- D.
Chromosome
Correct Answer
B. Sperm cellExplanation
Offspring receive one set of genes from an egg cell and the other from the sperm cell that fertilized the egg cell. This is because during sexual reproduction, the egg cell and sperm cell each contribute half of the genetic material required to form a new individual. The genes contained within the sperm cell are transferred to the offspring through fertilization, resulting in a combination of genetic traits from both parents.Rate this question:
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Dec 12, 2023Quiz Edited by
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Dec 13, 2012Quiz Created by
Profezor1
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