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ira [324]
3 years ago
8

How is rna different from dna?

Biology
1 answer:
Sindrei [870]3 years ago
4 0
RNA has Uracil as base with Adenine but DNA has Thymine at place of that...
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Touching a hot pan and yanking your hand away--That is nervous system. Going through puberty is controlled by the pituitary gland. jumping up and down is controlled by the muscular system. Breathing harder during a jog is controlled by the respiratory system. Getting energy to sit through class by eating cereal and a banana is controlled by digestive system and muscular system. hope it helps
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_____ is when a heterozygote expresses both homozygous phenotypes simultaneously, rather than expressing an intermediate phenoty
harina [27]
I believe it's called "codominance".
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3 years ago
The crossing of a hybrid and a dominant purebred will always result in offspring which are what?
inn [45]

Answer:

Dominant

Explanation:

A hybrid trait is also known as heterozygous, which is the combination of the dominant and recessive alleles of a gene. On the other hand, a purebred is combination of the same two dominant alleles or the same two recessive alleles. For example, in the gene coding for height, allele for tallness (T) is dominant over the allele for shortness (t).

A purebred for this trait will either be "TT" or "tt" while a heterozygous or hybrid will be Tt. Hence, according to this question, crossing of a hybrid (Tt) and a dominant purebred (TT) will always result in offspring which are DOMINANT (see attached image).

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3 years ago
Why can humans not see ultraviolet (UV) light?
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Answer:

Most humans cannot see ultraviolet light because it has a smaller wavelength than violet light, putting it outside of the visible spectrum.

hopethishelpsyou

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