Gastrula is the embryo at the stage succeeding blastula when it is a cup-shaped structure composed of three layers of cells. Gastrulation... View Article
The heart is said to be the first organ to develop during the development of the body. It is the first organ to start working. After the 1st... View Article
Embryology concerns the growth, formation and development of the embryo. It entails the prenatal stages of development starting from the gamete... View Article
Disadvantages of DNA fingerprinting are - It is a complicated and tedious process, at times giving results that are hard to interpret DNA... View Article
Nearly every cell in the body of a person has the same DNA composition. Most of the DNA is found in the nucleus of the cell (nuclear DNA). There... View Article
In Mendel's experiment, P generation refers to the parent generation, the first set of parents crossed. The genotype of parents would be used to... View Article
Mendel's law of segregation is accepted universally, it has no exceptions. Statement of the law of segregation - during the formation of... View Article
Linkage is an exception to Mendel's law of independent assortment. The law states that inherited genes are independent of each other. Linkage is... View Article
Blue colour of eyes is homozygous recessive for that gene. Homozygous for a specific gene indicates that two identical versions were inherited.... View Article
Mendel, through his basic theoretical principles of heredity on pea plants, proposed the basic laws of inheritance. He inferred that genes occur... View Article
When heterozygous alleles are expressed fully, codominance occurs. In this case, neither alleles dominate, hence both are exhibited together,... View Article
Two alleles Humans are diploid entities as they have two alleles at each of the genetic loci, each of this allele is inherited from one parent,... View Article
Steroids are a class of lipid molecules which can be detected by its structure having 4 fused rings. Even though they do not structurally... View Article
Mendel's laws helped to explain the chromosome-based inheritance of traits. His first law of inheritance is known as the law of segregation. The... View Article
When gametes are formed, a pair of alleles present on the homologous chromosomes are separated or segregated from each other, hence each allele... View Article
Alleles are variants of a gene. A person has two alleles for a gene as it inherits, from each of its parents, a set of chromosomes. Hence, it has... View Article
Genes are the basic and functional units of heredity. There exist different versions of a gene, which is known as an allele. Depending upon... View Article
