Multiple Choice
In Mendel's experiments, what term is used to describe the offspring resulting from crosses between parents with different traits?
3
views
2. Mendel's Laws of Inheritance
Mendel's Experiments and Laws
Struggling with Genetics?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
During Mendel's experiments, which of the following best describes a tetrad as observed during meiosis?
A
A cluster of four genes located on the same chromosome
B
A single chromosome after DNA replication
C
A pair of sister chromatids joined at the centromere
D
A group of four chromatids formed by the pairing of two homologous chromosomes
Verified step by step guidance1
Recall that during meiosis, homologous chromosomes pair up in a process called synapsis, which occurs in prophase I.
Understand that each homologous chromosome has already been replicated, so it consists of two sister chromatids.
When two homologous chromosomes pair, their four chromatids come together, forming a structure called a tetrad.
Recognize that a tetrad is not just a cluster of genes or a single chromosome, but specifically the group of four chromatids from the paired homologous chromosomes.
Therefore, the tetrad represents the physical basis for crossing over and genetic recombination during meiosis.
Related Videos
Related Practice
Mendel's Experiments and Laws practice set
Problem sets built by lead tutorsExpert video explanations