Heterozygous means that an organism has two different alleles of a gene. For example, pea plants can have red flowers and either be homozygous dominant (red-red), or heterozygous (red-white). If they have white flowers, then they are homozygous recessive (white-white). Carriers are always heterozygous.
What is the phenotype of a flower?
The phenotype of a plant is a term used to describe observable characteristics, such as height, biomass, leaf shape and so on. We use the term phenotype in a more specific context to describe the collective expression of the genotype in conjunction with the environment on a plant’s observable characteristics.
What is the phenotype of a heterozygous 4 00 flower?
INCOMPLETE DOMINANCE: In Four O’Clock plants RED FLOWERS (R) are INCOMPLETELY DOMINANT over white (r) flowers. Heterozygous plants show a BLENDED INTERMEDIATE phenotype of PINK flowers.
What is the phenotype of a heterozygous genotype?
An organism with one dominant allele and one recessive allele is said to have a heterozygous genotype. … Of these three genotypes, only bb, the homozygous recessive genotype, will produce a phenotype of blue eyes.
What genotype is heterozygous for flower color?
In this example, both parents are heterozygous for flower color (Bb).
What is genotype and phenotype of flower?
The observable traits expressed by an organism are referred to as its phenotype and its underlying genetic makeup is called its genotype. Distinguish between the phenotype and the genotype of an organism.
What is the phenotype of the flowers with genotype RR?
When ever the R gene is present in the genotype of a plant, the flower color is always red. The mutant form of this gene, which is recessive, is often written r. Plants with the genotype RR or Rr have red flowers. Plants with the genotype rr have white flowers.
What is the phenotype of a pink flower?
The genotype for the pink flower is Rr and the genotype for the white flower is rr. This would lead to a 50% chance of the offspring having a phenotype of pink.
What means phenotype?
A phenotype is an individual’s observable traits, such as height, eye color, and blood type. The genetic contribution to the phenotype is called the genotype. Some traits are largely determined by the genotype, while other traits are largely determined by environmental factors.
What is example of phenotype?
The term “phenotype” refers to the observable physical properties of an organism; these include the organism’s appearance, development, and behavior. … Examples of phenotypes include height, wing length, and hair color.
What is the phenotype of heterozygous Snapdragon?
5. In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (R) and white (R’). The heterozygous genotype is expressed as pink.
Is PP genotype or phenotype?
There are three available genotypes, PP (homozygous dominant ), Pp (heterozygous), and pp (homozygous recessive). All three have different genotypes but the first two have the same phenotype (purple) as distinct from the third (white).
When a heterozygote has an intermediate phenotype?
This type of relationship between alleles, with a heterozygote phenotype intermediate between the two homozygote phenotypes, is called incomplete dominance.
What is the genotype of a heterozygous plant?
The genotype of the heterozygous plant is Aa.
What is heterozygosity in plants?
Heterozygous plants have two copies of a single gene, but those copies are alleles, or different versions of that gene. The second type is heterozygous. Plants that are heterozygous for a particular gene have one copy each of two different alleles, ‘Aa’.
What is the phenotype of a purple flower?
A pair of alleles—one from each parent—makes up the genotype for a trait. The way the trait appears is its phenotype. In pea plants, purebred purple flowers have a genotype with two purple alleles, which produces a phenotype of purple petals.