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Your genotype is your genetic code of your cells. This genetic code is responsible for many of your traits. The physical expression of this genetic code is your phenotype. The genetic information is stored in chromosomes on sections called genes. A gene is a portion of DNA that codes for a trait. When a gene is stained you can see lines or bands. These bands are the genes of a chromosome. For each trait you get some information from mom and some from dad. The different forms of the same trait are called alleles. The genotype can writen several different ways. Homozygous dominant is written with two capital letters for the two dominant alleles.(BB) Homozygous recessive has two recessive alleles (bb), and a heterozygous genotype has two different alleles. ( Bb ) For example, there is different hair texture. These different forms of hair texture are alleles. It is still hair, just different forms. A dominant allele will cover up or mask a recessive allele. You will only get a recessive allele if both alleles are recessive. Your phenotype is the actual expression of the genotype. For example a dog has a round nose, and a cat may have black hair. These are physical expression of the genetic code.
Genotype vs Phenotype VIDEO
What is genotype and phenotype? I love dogs. My current dogs are rescue dogs. If you look at my dog Rollins you can see some dalmation,lab, and other dog breds. This is because Rollins looks a little like his mother and a little like his father. The genetic code for the way he looks is called his genotype. The physical expression is his phenotype.