Longitudinal studies make comparisons over time, whereas cross-sectional studies make comparisons at a single point in time. hope that helps some
Answer:
D. Amino Acids
Explanation:
DNA and RNA viruses are included in an organism's genome. The genome component that codes for a protein or RNA is called a gene. The protein-coding genes consist of tri-nucleotide units called codons, each with an amino acid code.
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Answer:
The probability of their first child being colourblind is 1/4
Explanation:
Red-green color blindness is an X-linked recessive disorder.
A woman with normal vision whose father was colorblind has children with a man with normal color vision.
In an X-linked condition, the males only need to get one copy of the affected allele to have the condition and this copy is also inherited by a female offspring.
So in this case, the woman receives the affected recessive allele copy from her dad but since she still has normal vision, she received the normal copy from her mom so she is heterozygote for the trait.
The woman with normal color (XRXr) has a father who is color blind (XrY) has children with a normal man (XRY)
The cross would be
XRXr x XRY
XR Xr
XR XRXR XRXr
Y XRY XrY
Probably of having an affected child is 1/4. Thus, the probability of their first child being colourblind is 1/4
Answer:
nucleotide; nucleic acid
Explanation:
nucleic acid is the polymer, and nucleotide is the monomer as its the buliding block of nucleic acid.
Inorganic compounds essential to human functioning include water, salts, acids, and bases. These compounds are inorganic; that is, they do not contain both hydrogen and carbon.
