How do you write heterozygous tall genotype?

What is heterozygous for tall?

Mendelian Genetics



Mendel figured out how the trait of height was related to genotype, or the genetic code. Homozygous plants, plants with two of the same allele, had tall or short alleles and were tall or short, respectively. Heterozygous plants, which had one tall and one short allele, were tall.

What is the genotype for being tall?

Genotypes for plant height are TT, Tt, tt. Genotypes can be heterozygous or homozygous. Phenotypes for plant height are tall or short. TT and Tt genotypes both expressed the tall phenotype because the T is dominant to t.

What is the heterozygous genotype letters?

Heterozygous always means one of each letter, so we’d use “Tt” (where “T” = tall, & “t” = short). The only way for a pea plant to be short is when it has 2 lowercase “t’s”, so that short parent is “tt”.

What is an example of heterozygous?

Your genes are made of DNA. … If the two versions are different, you have a heterozygous genotype for that gene. For example, being heterozygous for hair color could mean you have one allele for red hair and one allele for brown hair.

What are 3 heterozygous examples?

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.

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Why is TT tall?

It is donated by two letters. When a dominant character has to be expressed both the letters are capital. When a recessive character has to be expressed both the letters are lowercase. Heterozygous tall (Tt) is crossed with homozygous tall (tt) to determine the dominant and recessive trait.



t t
t tt tt

Does height come more from mother or father?

At least 700 genetic variations are responsible for determining height, coming from both mom and dad’s genes. But there is evidence to suggest that each parent’s “height gene” functions a bit differently. Dad’s genes play a significant role in promoting growth.

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