Basics
Monohybrid Cross and the Punnett Square
When fertilization occurs between two true-breeding parents that differ by only the characteristic being studied, the process is…
July 12, 2021 · Rajil TLLatest articles
Basics
Law of Dominance
Our discussion of homozygous and heterozygous organisms brings us to why the F1 heterozygous offspring were identical to one…
July 12, 2021 · Rajil TL
Basics
Laws of Inheritance
The seven characteristics that Mendel evaluated in his pea plants were each expressed as one of two versions,…
July 12, 2021 · Rajil TL
Basics
Introduction to Patterns of Inheritance
Figure 8.1 Experimenting with thousands of garden peas, Mendel uncovered the fundamentals of genetics. (credit: modification of work…
July 12, 2021 · Rajil TLBasics
Chromosome Structural Rearrangements
Cytologists have characterized numerous structural rearrangements in chromosomes, including partial duplications, deletions, inversions, and translocations. Duplications and deletions…
July 12, 2021 · Rajil TLBasics
Errors in Meiosis
Inherited disorders can arise when chromosomes behave abnormally during meiosis. Chromosome disorders can be divided into two categories:…
July 12, 2021 · Rajil TLBasics
Comparing Meiosis and Mitosis
Mitosis and meiosis, which are both forms of division of the nucleus in eukaryotic cells, share some similarities,…
July 12, 2021 · Rajil TLBasics
Meiosis
Sexual reproduction requires fertilization, a union of two cells from two individual organisms. If those two cells each…
July 12, 2021 · Rajil TLBasics
Life Cycles of Sexually Reproducing Organisms
Fertilization and meiosis alternate in sexual life cycles. What happens between these two events depends on the organism.…
July 12, 2021 · Rajil TLBasics
The Red Queen Hypothesis
There is no question that sexual reproduction provides evolutionary advantages to organisms that employ this mechanism to produce…
July 12, 2021 · Rajil TL