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Genetics

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Alfonso Mills

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4y ago
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Cards in this guide (5)
How is the hereditary information in DNA coded and passed from generation to generation

as nucleotide base sequences that make up genes

What is comparative genomics used for

to study how different species are related to each other

What common condition is caused by the presence of three copies of chromosome 21

down syndrome

What does being heterozygous for some genetic trait mean

the 2 alleles of the gene for the trait are different on the 2 homologous chromosomes
Being heterozygous for a trait means that they have different alleles for a trait. For instance: Tt would be heterozygous and TT or tt would be homozygous because they are both eitehr little or big t's.
it mean the gene is not pure or for example suppose a person is blood group A but actually he is having A and O; because O is recessive trait the gene express the A trait instead, making the person having blood group A.

Which of these agencies regulates all civilian nuclear facilities

Nuclear regulatory commission - A+

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