Which of the following is an example of phenotype?
Phenotype, all the observable characteristics of an organism that result from the interaction of its genotype (total genetic inheritance) with the environment. Examples of observable characteristics include behaviour, biochemical properties, colour, shape, and size.
What is the difference between homozygous and heterozygous?
Homozygous and heterozygous are terms that are used to describe allele pairs. Individuals carrying two identical alleles (RR or rr) are known as homozygous. While individual organisms bearing different alleles (Rr) are known as heterozygous.
Is the phenotype always reflective of genotype?
The sum of an organism’s observable characteristics is their phenotype. A key difference between phenotype and genotype is that, whilst genotype is inherited from an organism’s parents, the phenotype is not. Whilst a phenotype is influenced the genotype, genotype does not equal phenotype.
Does phenotype always indicate genotype Why?
A dihybrid cross is a cross in which two characteristics are tracked. Explain why a phenotype might not always indicate genotype. The same phenotype would occur for a homozygous dominant and a heterozygous genotype, or a genotype may not reach its full potential due to environmental factors.
What is an example of heterozygous recessive?
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 genotype if a person is heterozygous A?
= En Español. Heterozygous refers to having inherited different forms of a particular gene from each parent. A heterozygous genotype stands in contrast to a homozygous genotype, where an individual inherits identical forms of a particular gene from each parent.
Is CC homozygous or heterozygous?
A person’s genotype with respect to hair texture has three possiblilties: CC, Cc, or cc. So to review some vocab, homozygous means having two of the same allele in the genotype (2 big or 2 little letters — CC or cc). Heterozygous means one of each allele in the genotype (ex: Cc).
What is heterozygous type A?
A heterozygous individual is a diploid organism with two alleles, each of a different type. Individuals with alleles of the same type are known as homozygous individuals. An allele is a variation of a gene that affects the functionality of the protein produced by the gene.
What genotype is blood type A?
If someone has blood type A, they must have at least one copy of the A allele, but they could have two copies. Their genotype is either AA or AO. Similarly, someone who is blood type B could have a genotype of either BB or BO. A blood test of either type AB or type O is more informative.
Is blood type A homozygous?
Thus, if one parent is homozygous for type A blood and the other is homozygous for type B, the offspring will have a new phenotype, type AB….Codominance.
| Blood Type | Related Genotype(s) |
|---|---|
| A | AA or AO |
| B | BB or BO |
| AB | AB |
| O | OO |
What blood type is II?
| Genotype | Blood Type | Blood Proteins |
|---|---|---|
| i i | Type O | None |
| IA IA | Type A | A |
| IA i | Type A | A |
| IB IB | Type B | B |
What blood type is anti-A?
The liquid part of your blood without cells (serum) is mixed with blood that is known to be type A and type B. People with type A blood have anti-B antibodies. People with type B blood have anti-A antibodies. Type O blood contains both types of antibodies.