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how new characteristics enter gene

how new characteristics enter gene pool?i look for simple answer to this to help my sister. one thing i look at it say about
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2. asked by Mohammad
3. 490 views
is a gene pair which is jointly responsible for determining hereditary characteristics:An allele A dominant gene A recessive
1. 1 answer
2. 31 views
Chromosomes contain genes, and genes determine an organism's characteristics. Sometimes mutations occur in which the sequence of
1. 1 answer
2. 54 views
Chromosomes contain genes, and genes determine an organism's characteristics. Sometimes mutations occur in which the sequence of
1. 1 answer
2. 51 views
Chromosomes contain genes, and genes determine an organism's characteristics. Sometimes mutations occur in which the sequence of
1. 1 answer
2. 42 views
Chromosomes contain genes, and genes determine an organism's characteristics. Sometimes mutations occur in which the sequence of
1. 1 answer
2. 49 views
in cattle a dominant gene (N) results in a deep notch in each ear. a recessive gene (n) results in an "udder" abnormiality when
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2. asked by Allison
3. 1,008 views
Which statement best describes a dominant gene?A. It Is the Gene that produces mutations. B. It Is a gene that produces
1. 5 answers
2. asked by And I oop
3. 2,651 views
When gene expression occurs: (1 point) ResponsesThe gene is passed on to the daughter cells during mitosis. The gene is removed
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2. asked by n
3. 144 views
Gene and Finny are drawn to each other and share some character traits, but they are also very different. First, list the
1. 3 answers
2. asked by mysterychicken
3. 676 views