Biology, 04.10.2019 20:30 ItzAquaZ1449

Which describes the notation tt for the trait of being tall?

a. homozygous genotype

b. heterozygous genotype

c. homozygous phenotype

d. heterozygous phenotype

Answers: 2

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Answer from: dios01

The answer is B. Heterozygous genotype.

The notation Tt shows a heterozygous genotype. A genotype shows the set of genes that it carries or was inherited. The capital letter represents a dominant trait and a lower case letter represents a recessive trait.

There are two ways to describe them; homozygous and heterozygous.

Heterozygous genotype has one dominant trait and one recessive trait. It looks just like what is given in your problem. Homozygous, on the other hand, has either a pair of the dominant trait or a pair of the recessive trait.

This is how they look like:
heterozygous: Tt
Homozygous: tt

Now phenotype is different. Phenotype is the trait that is physically expressed. The trait that will be expressed will depend on the genotype.
Genotype Phenotype
TT = homozygous tall
tt = short
Tt = heterozygous tall

Take note that the dominant trait is the trait that will physically manifest or physically be expressed.

Answer from: Quest

vote read

explanation:

plate tectonics and volcanic euptions

over time, plate tectonic processes cause continents to move to different positions on the globe.

for example, britain was near to the equator 300 million years ago, and therefore was hotter than it is today. for further details look at our climate through time poster or online map.

the movement of the plates also causes volcanoes and mountains to form and these too can contribute to a change in climate.

mountain ranges formed by plate tectonics. large mountain chains can influence the circulation of air around the globe, and consequently influence the climate. warm air might be deflected somewhere cooler by the mountains.

Answer from: Quest

Ithink the answer is c. i’m not sure though i’ll notify you when i have an exact answer!

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Which describes the notation tt for the trait of being tall?

a. homozygous genotype