Welcome to the Law Of Independent Assortment MDCAT MCQs with Answers. In this post, we have shared Law Of Independent Assortment Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Biology offers a chance to enhance your knowledge regarding Law Of Independent Assortment MCQs in this MDCAT Online Test.
Which of Mendel’s laws states that genes for different traits are inherited independently of each other?
a) Law of Segregation
b) Law of Independent Assortment
c) Law of Dominance
d) Law of Uniformity
The Law of Independent Assortment applies to genes located on:
a) The same chromosome
b) Different chromosomes
c) The same locus
d) The same gene
In a dihybrid cross, the phenotypic ratio of 9:3:3:1 is an example of:
a) Law of Segregation
b) Law of Independent Assortment
c) Law of Dominance
d) Law of Uniformity
The independent assortment of genes occurs during which phase of meiosis?
a) Metaphase I
b) Anaphase I
c) Telophase II
d) Prophase I
If two traits are on the same chromosome, the law of independent assortment:
a) Still applies
b) Does not apply
c) Is modified by crossing over
d) Always results in linked inheritance
What is the expected genotypic ratio for a dihybrid cross if the genes are independently assorted?
a) 1:2:1
b) 9:3:3:1
c) 3:1
d) 2:1
Which type of cross is best used to demonstrate the Law of Independent Assortment?
a) Monohybrid cross
b) Test cross
c) Dihybrid cross
d) Back cross
In a dihybrid cross, what proportion of offspring will have a heterozygous genotype for both traits?
a) 1/4
b) 1/2
c) 3/16
d) 9/16
If a heterozygous plant (AaBb) is crossed with another heterozygous plant (AaBb), the probability of obtaining an offspring with genotype aabb is:
a) 1/16
b) 1/8
c) 1/4
d) 3/16
In the context of independent assortment, which of the following statements is true?
a) Genes on the same chromosome always assort independently
b) Traits located on different chromosomes assort independently
c) Alleles of the same gene assort independently
d) Independent assortment is observed in the F1 generation only
During which stage of meiosis does the law of independent assortment become evident?
a) Prophase I
b) Anaphase II
c) Metaphase I
d) Telophase I
If a gene pair segregates independently of another gene pair, this is an example of:
a) Linkage
b) Crossing over
c) Independent assortment
d) Genetic drift
What is the result of genes assorting independently during gamete formation?
a) Increased genetic variation
b) Decreased genetic variation
c) Uniform traits in offspring
d) Genetic linkage
Which of the following is a direct consequence of the Law of Independent Assortment?
a) Inheritance of linked genes
b) Homologous chromosomes pairing
c) Genetic recombination
d) Gene mutation
In a dihybrid cross, if both parents are heterozygous (AaBb), how many different types of gametes can they produce?
a) 2
b) 4
c) 8
d) 16
The Law of Independent Assortment is illustrated by the inheritance pattern of:
a) A single trait
b) Multiple traits
c) Only dominant traits
d) Only recessive traits
If genes are located on the same chromosome, they:
a) Always assort independently
b) Show independent assortment if crossing over occurs
c) Always segregate together
d) Exhibit random assortment
Which of the following does not demonstrate independent assortment?
a) Linked genes
b) Genes on different chromosomes
c) Genes located far apart on the same chromosome
d) Traits observed in a dihybrid cross
A test cross involving two traits is used to:
a) Confirm gene linkage
b) Determine the genotype of an organism with dominant phenotype
c) Study single gene inheritance
d) Observe genetic drift
What is the probability of obtaining an offspring with the genotype Aabb from a cross AaBb x AaBb?
a) 1/16
b) 1/8
c) 3/16
d) 1/4
The observation of a 9:3:3:1 phenotypic ratio in the offspring of a dihybrid cross suggests:
a) Incomplete dominance
b) Gene linkage
c) Independent assortment
d) Epistasis
If an individual with genotype AaBb is crossed with aabb, the possible phenotypes of the offspring are:
a) AaBb, Aabb, aaBb, aabb
b) AaBb, Aabb
c) aaBb, aabb
d) AaBb, aaBb
Which of the following is an example of a genotype resulting from independent assortment?
a) AABB
b) AAbb
c) AaBb
d) Aabb
The principle of independent assortment is based on the behavior of:
a) Homologous chromosomes
b) Sister chromatids
c) Non-homologous chromosomes
d) Centrosomes
The Law of Independent Assortment ensures that:
a) Traits are inherited together
b) Genes on the same chromosome are inherited together
c) Genes on different chromosomes segregate independently
d) All traits are inherited together
In a cross between AaBb x aabb, what proportion of the offspring will be AaBb?
a) 1/4
b) 1/8
c) 1/16
d) 1/2
If two genes are linked, the resulting phenotypic ratio deviates from:
a) 1:1
b) 9:3:3:1
c) 3:1
d) 1:2:1
Which of the following represents a non-independent assortment of genes?
a) Genes on different chromosomes
b) Genes on the same chromosome with crossing over
c) Genes that are always inherited together
d) Genes far apart on the same chromosome
The principle of independent assortment was first proposed by:
a) Charles Darwin
b) Gregor Mendel
c) James Watson
d) Francis Crick
Which of the following results would you expect if genes did not assort independently?
a) 9:3:3:1 ratio
b) Non-Mendelian ratios
c) Complete dominance
d) Independent phenotypic ratios
During which stage of meiosis are alleles of different genes distributed independently to gametes?
a) Prophase I
b) Anaphase I
c) Metaphase II
d) Telophase II
The principle of independent assortment states that:
a) Alleles of a gene pair separate independently of other gene pairs
b) Traits are inherited together
c) Alleles of one gene do not affect the inheritance of another gene
d) Genes on the same chromosome always assort together
In a test cross involving two traits, the observed ratios are consistent with:
a) Gene linkage
b) Genetic drift
c) Independent assortment
d) Incomplete dominance
If a plant with genotype AaBb is crossed with a plant with genotype aabb, what proportion of the offspring will have the genotype AaBb?
a) 1/4
b) 1/8
c) 1/16
d) 1/2
The Law of Independent Assortment is observed in which type of cross?
a) Monohybrid cross
b) Dihybrid cross
c) Test cross
d) Back cross
Which of the following phenotypic ratios would be expected if genes assort independently?
a) 1:2:1
b) 3:1
c) 9:3:3:1
d) 2:1
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