Weegy: Gene expression is regulated so that different genes are turned off and on at specific times during development of a multicellular organism. [ -is how cells in a multicellular organism become specialized.
]
User: What were the goals of the Human Genome Project?
Weegy: The goals of the human genome project were to sequence human DNA and to identify all genes present in human DNA.
User: Refer to the figure showing a pedigree of a family affected by a sex-linked recessive disorder
Weegy: Refer to the figure showing a pedigree of a family affected by a sex-linked recessive disorder. If a female is a carrier for a sex-linked recessive disorder, this is possible. Males receive an X chromosome from their mother. [ If their mother is a carrier, a male has a 50 percent chance of being affected by the disease and a 50 percent chance of being unaffected.
]
User: What does this tell you about the gene controlling pea plant height?
Weegy: A purebred tall pea plant is crossed with a purebred short pea plant. All of the resulting offspring are tall. [ This tells you that the tall version of the gene is dominant to the short version of the gene.
]
User: Choose the best explanation of codominance
Weegy: In a heterozygote, both alleles are expressed. -is the best explanation of codominance.
User: In DNA and RNA, a nitrogenous base, sugar, and phosphate groups together are called a
Weegy: In DNA and RNA, a nitrogenous base, sugar, and phosphate groups together are called a Nucleotide.
User: This means that the mRNA will match the
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