a rice species low high diverged six five whole genomes gene families homologous genes Duplication a new function gene order stayed the same Genes that are essential for survival usually have mutation rates. of an essential gene results in two copies in the genome. One copy may retain the original function while the other copy is free to evolve Duplications of genes and their subsequent alteration is thought to be the basis for or groups of similar genes with slightly different functions.. One gene, several genes, or even can be duplicated. All cereal grasses (including rice, wheat, barley, sorghum, and corn) have blocks of that are located on two separate chromosomes. Within the blocks, is conserved, but the DNA sequences have the The evidence suggests that all cereal grass species evolved from a with 12 chromosomes that are derived from a whole genome duplication in a species with chromosomes followed by other chromosome rearrangements and divergence.
a rice species low high diverged six five whole genomes gene families homologous genes Duplication a new function gene order stayed the same Genes that are essential for survival usually have mutation rates. of an essential gene results in two copies in the genome. One copy may retain the original function while the other copy is free to evolve Duplications of genes and their subsequent alteration is thought to be the basis for or groups of similar genes with slightly different functions.. One gene, several genes, or even can be duplicated. All cereal grasses (including rice, wheat, barley, sorghum, and corn) have blocks of that are located on two separate chromosomes. Within the blocks, is conserved, but the DNA sequences have the The evidence suggests that all cereal grass species evolved from a with 12 chromosomes that are derived from a whole genome duplication in a species with chromosomes followed by other chromosome rearrangements and divergence.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:a rice species
low
high
diverged
six
five
whole genomes
gene families
homologous genes
Duplication
a new function
gene order
stayed the same
common ancestor
Genes that are essential for survival usually have
mutation rates.
of an essential gene results in two copies in the genome. One copy
may retain the original function while the other copy is free to evolve
Duplications of genes and their subsequent alteration is thought to be the basis for
or groups of similar genes with slightly different functions..
One gene, several genes, or even
the
can be duplicated.
All cereal grasses (including rice, wheat, barley, sorghum, and corn) have blocks of
that are located on two separate chromosomes. Within the blocks,
is conserved, but the DNA sequences have
The evidence suggests that all cereal grass species evolved from a
with 12 chromosomes that are derived from a whole genome duplication in a species
with
chromosomes followed by other chromosome rearrangements
and divergence.
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Gene:
The term "gene" has a variety of meanings in biology. The molecular gene is a sequence of nucleotides in DNA that is transcribed to form a functional RNA, whereas the Mendelian gene is the fundamental unit of inheritance. Protein-coding genes and noncoding genes are the two categories of molecular genes.
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