science
Grade-12
Easy
Question
What is the purpose of using a pedigree?
- To determine the average age of a family.
- To find out family histories and medical records.
- To find out whether a couple can have a boy or a girl.
- To trace the inheritance of a certain trait through generations.
Hint:
Trace the inheritance pattern
The correct answer is: To trace the inheritance of a certain trait through generations.
- The purpose of pedigree is to trace the inheritance of a certain trait through generations.
Related Questions to study
science
When examining a pedigree, what 2 things should you first determine about the trait being shown?
A. Whether the trait is sex-linked or autosomal.
B. Whether the trait is dominant or recessive
C. Whether individuals are male or female
D. How many individuals are in the pedigree
When examining a pedigree, what 2 things should you first determine about the trait being shown?
A. Whether the trait is sex-linked or autosomal.
B. Whether the trait is dominant or recessive
C. Whether individuals are male or female
D. How many individuals are in the pedigree
scienceGrade-12
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Polydactyl refers to _______.
Polydactyl refers to _______.
scienceGrade-12
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What pattern of inheritance is shown in the pedigree?
What pattern of inheritance is shown in the pedigree?
scienceGrade-12
science
The physical characteristics or expression of a gene is referred to as ______.
The physical characteristics or expression of a gene is referred to as ______.
scienceGrade-12
science
How many generations are shown in this pedigree?
How many generations are shown in this pedigree?
scienceGrade-12
science
How would you write a homozygous dominant genotype?
How would you write a homozygous dominant genotype?
scienceGrade-12
science
Which of the following genotypes is dominant?
Which of the following genotypes is dominant?
scienceGrade-12
science
Incomplete dominance means that there traits are
Incomplete dominance means that there traits are
scienceGrade-12
science
On a pedigree, this symbol represents a ----
On a pedigree, this symbol represents a ----
scienceGrade-12
science
On a pedigree, this symbol represents a --
On a pedigree, this symbol represents a --
scienceGrade-12
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Which gender has an X and a Y chromosome?
Which gender has an X and a Y chromosome?
scienceGrade-12
science
What do we use pedigrees for?
What do we use pedigrees for?
scienceGrade-12
science
In a heterozygous genotype, the _____ allele takes over in the phenotype.
In a heterozygous genotype, the _____ allele takes over in the phenotype.
scienceGrade-12
science
Aa, DD, Bb, yy are all examples of _______.
Aa, DD, Bb, yy are all examples of _______.
scienceGrade-12
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Dominant alleles are represented by a_____.
Dominant alleles are represented by a_____.
scienceGrade-12
