How do birds and dogs both use DNA as instructions for building their bodies

2 answers:

7 0

Their DNA has the same nucleotide bases, but in different patterns. DNA forms the building blocks of all living things, regardless of species, so A!!

dexar [7]2 years ago

6 0

Answer:

DNA is language of life, which uses only four letters (=nitrogenous bases). In this language only three-letter words are allowed (=codons)

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In the human body, sodium—a component of salt—balances fluids, such as water, in the body. Explain how the onion experiment show

Bogdan [553]

Answer:

The salt worked like sodium on the onion.

Explanation:

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A purebred tall pea plant is cross-pollinated with a tall, heterozygous pea plant. Use a Punnett square to determine the probabi

Ray Of Light [21]

Answer:

Explanation:

This question involves a gene coding for height in pea plants. The allele for tallness (T) is dominant over the allele for shortness (t). This means that allele T will be expressed over allele t in an heterozygous state.

A purebred tall plant will possess genotype: TT while a heterozygous tall plant will possess genotype: Tt. The two parents will produce the following gametes:

TT- T and T

Tt- T and t

Using these gametes in a punnet square (see attached image), the following offsprings with genotypes: TT and Tt in a ratio 1:1 will be produced.

TT offsprings are purebreed tall while Tt offsprings are heterozygous tall. Hence, based on the question, no offsprings of this cross will possess the recessive genotype (tt). This means that 0% of the offsprings of this cross will be short.