In terms of the investigation about the type of earlobe free or attached), name the following 2.1
The dependent variable
(1)
2.2
The independent variable
(1)
Formulate a hypothesis for the frequency of tongue-rollers as compared to non-rollers in your
school
(3)
Construct a table to show the results obtained in this investigation
(4)
According to the results obtained, would you accept or reject the hypothesis formulated in
QUESTION 3?
(1)
State TWO ways in which you could make the results of this investigation more reliable
(2)
Using the same system of axes, draw a bar graph to represent the percentage of learners displaying
each phenotype for each of the three characteristics
(8
Use the symbols R (tongue-roller) and (nor-rolen) to represent the phenotypes and genotypes of
offspring resulting from a cross between tivo heterozygous individuals
(6)​

Select the correct answer.which scenario describes unethical lab behavior? a.danny stores the chemicals required for his experiment in flasks and beakers.b. anna publishes the results of her experiment on the growth rate of saplings.c. jason repeatedly runs an experiment until he gets the results he desires.d. mia records her observations of an experiment precisely and accurately.resetnext

In a hypothetical breed of dogs, coat color is controlled by two genes. there are six different coat colors in this breed: black, brown, cream, gray, silver, and tan. consider the following crosses.cross 1: black females from a lineage of all black dogs are crossed with brown males from a lineage of all brown dogs. f1 males and females are all black. when f1 are intercrossed, f2 males and females are black or brown.cross 2: black females from a lineage of all black dogs are crossed with tan males from a lineage where all males are tan and all females are cream. f1 males are black, f1 females are gray. when f1 are intercrossed, f2 males and females are black, brown, gray, or tan.cross 3: silver females from a lineage where all females are silver and all males are gray are crossed with brown males from a lineage of all brown dogs. f1 males and females are all gray. when f1 are intercrossed, f2 males are black, brown, gray, or tan, f2 females are cream, gray, silver, or tan.select the correct statements regarding the mode of inheritance of the coat color genes.a) both genes are x-linked.b) both genes are autosomal.c) one of the genes modifies the expression of the other gene.d) each gene has an additive effect on the intensity of coat color.e) each gene independently specifies three colors.f) one of the genes is autosomal, and the other is x-linked.

What causes the phospholipids to organize themselves the way they do