Answer the following statements true (T) or false (F)
1. During truncation selection, the realized heritability of a trait depends on the selection differential, which is the difference between the average trait value of the selected parents and the average trait value of the entire parental population.
2. To test for statistical significance of the association of a SNP with a trait, the null hypothesis in a chi-square test for independence is that the one of the SNP alleles is more common in the Cases than in the Controls.
3. The fish population is in Hardy-Weinberg equilibrium before the asteroid hit.
1. TRUE
2. FALSE
3.FALSE
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Compare mitosis and meiosis. Which statement is accurate?
a. Meiosis I is more like mitosis than is meiosis II. b. Both processes result in four cells. c. Synapsis (pairing of chromosomes) occurs in both. d. Chromatids are present only in mitosis. e. Meiosis II resembles mitosis.
In sea urchins, the fertilization envelope forms from the:a
vitelline envelope. b. jelly coat. c. zona pellucida. d. plasma membrane. e. granulosa cells.
In order to understand the carbon cycle, it is important to recognize where carbon can be found on earth. Carbon can be found in
What will be an ideal response?
When taking oral contraceptives, what is least likely to occur?
A. Weight gain B. Headaches C. Nausea D. Risk of breast cancer E. Muscle soreness