Answer:
Answer. Since human (and mammal) females have two X chromosomes, inactivation prevents them from having twice as many X chromosome gene products as males, who only possess a single copy of the X chromosome. This called dose compensation. ... Their hair color is found on the X chromosome
Explanation:
GGTTAACT is the complement of DNA sequence CCAATTGA.
<h3>What is a complement sequence of DNA?</h3>
A sequence of bases in a nucleic acid called a complementary sequence can be used to match base pairs to create a double-stranded structure. For instance, G-T-A-C is the complementary sequence to C-A-T-G, where each letter represents a different DNA nucleotide.
Every DNA sequence has a counterpart sequence running in parallel since DNA has two strands. Adenine (A) is always coupled with Thymine (T) in the complementary sequence, while Cytosine (C) is always paired with Guanine (G).
Natural complementary DNA plays a crucial role in the production of new DNA copies and has emerged as a key experimental tool. The two strands of DNA are unraveled from one another during replication. Each strand is replicated twice, one by a DNA polymerase molecule that runs the length of each strand.
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He got to that conclusion like this: Regarding qualitative tests, he saw that no protein was present but that DNA was present. The chemical analysis showed that phosphorus was present in DNA not in protein. Talking about enzyme tests he saw that transformation did not happen when they added enzymes to the DNA.
Explanation:
Qualitative chemical and catalyst tests helped Avery determine DNA because the remodeling principle by conducting a series of tests to search out if the remodeling principle was DNA or a macromolecule and therefore the result's that no macromolecule was present however that DNA was present.
Although varied scientists engaged in diplococcus analysis throughout the primary 1/2 the 20th century, 2 of those researchers vie a particularly vital role within the course of events that junction rectifier to the invention of deoxyribonucleic acid because of the hereditary material. One in all these people was Oswald Avery.
A stratified sample is obtained by dividing the population into homogeneous groups and randomly selecting individuals from each group.
<h3>
What do you understand by stratified sampling?</h3>
In stratified sampling, respondents are divided into groupings known as strata based on shared traits (e.g., race, gender, educational attainment). A different probability sampling technique is used to randomly sample each subgroup once it has been divided. To complete the sampling process, stratified sampling is a form of sampling technique in which the entire population is divided into smaller groups or strata. The population data's common traits serve as the foundation for the stratum. The ability to obtain a sample population that most accurately represents the overall population being investigated while ensuring that each subgroup of interest is represented makes stratified random sampling one popular technique employed by researchers. However, there are certain drawbacks to this study approach.
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Answer:C performing a courtship dance
Explanation: