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valkas [14]
2 years ago
10

Which is considered a chemical mutagen

Biology
1 answer:
marishachu [46]2 years ago
6 0
Examples of chemical mutagens would be nicotine and other compounds in cigarette smoke that cause mutations involved in lung cancer.
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The answer is A hope this help :)
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3 years ago
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Which of the following is homozygous dominant? a AA b Aa c aa
GarryVolchara [31]

Answer: a). AA

Explanation: Every trait is controlled by at least a pair of gene. Genes have different forms known as alleles. Alleles can be dominant or recessive. A dominant allele expresses itself in the presence of a recessive allele and masks the effect of a recessive allele. A recessive allele cannot express itself in the presence of a dominant allele and it's effect is masked by a dominant allele. Dominant alleles are usually written in upper cases such as A, T, while recessive alleles are usually written in lower cases such as a, t. The two alleles that determines a trait is called a genotype. A genotype can be homozygous if the two alleles are identical such as in AA or aa

and can be heterozygous if the two alleles are not identical such as in Aa, Tt.

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2 years ago
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faust18 [17]

Answer:

heart blood vessels and blood

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3 years ago
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myrzilka [38]

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2 years ago
No cell wall, round/irregular shape, one or more small vacuoles, centriole, no chloroplasts, cytoplasm, ER, ribosomes, mitochond
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all of these characteristics define an animal cell

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