What is the final result of mitosis in a human A) nearly genetically identical 2n somatic cells B) genetically different 2n somatic cells C) nearly genetically identical 1n somatic cells D) genetically identical 2n gamete c
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
- What is the final result of mitosis in a human
A) nearly genetically identical 2n somatic cells
B) genetically different 2n somatic cells
C) nearly genetically identical 1n somatic cells
D) genetically identical 2n gamete cells
- Which of the following statements is TRUE?
A) A single, replicated chromosome with sister chromatids has two centromeres.
B) A single, unreplicated chromosome has two DNA molecules.
C) Sister chromatids from a single chromosome are connected at the centromere.
D) Homologous chromosomes are connected at the centromere.
- The first gap in the cell cycle (G1) corresponds to _____.
A) normal growth and cell function
B) the phase in which DNA is being replicated
C) the beginning of mitosis
D) the phase between
- In a diploid cell from a specific species has 5 chromosome pairs, how many sister chromatids will be found in a nucleus at prophase of mitosis? (Draw it!)
A) 5
B) 10
C) 20
D) 40
- Consider a cell from the species above. What are the diploid and haploid numbers for this species?
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