PROBABILITIES Exam Questions and Answers

PROBABILITIES Exam Questions and Answers Members of a gene pair separate during meiosis and are found in separate gametes - Correct Answers: principle of segregation The chance that a given event will occur - Correct Answers: probability Using the group of cards just described in this section, the probability of drawing a red five is: - Correct Answers: ¹⁄₅₆ The probability of a yellow-seed plant (YY) forming a Y gamete is ____% because the principle of segregation - one ______ of each gene pair goes to a ______; it only has "Y" alleles. - Correct Answers: 100 allele gamete If you have a heterozygous yellow-seed plant (Yy), the probability of forming a "Y" gamete is ____. The probability of forming a "y" gamete is ____. This follows the principle of segregation. - Correct Answers: 50% 50% Genetics experiments on the breeding of plants or animals are based on the laws of - Correct Answers: probability When flipping a coin, the chance that it will come up a head is ____. If you flip the coin a second time, the chance that it will come up a head again is ____. Let us say that you have had 25 heads come up in 25 consecutive flips. If you flip the coin one more time, the chance of coming up with a head is ____. - Correct Answers: 50% 50% 50% If you have two coins, the probability of both coming up heads from a flip of each is - Correct Answers: 25% The probability of having the combination of one head and one tail when flipping two coins is - Correct Answers: 50% The probability of two independent events occurring together is the ___________ of the probability of each event occurring separately. - Correct Answers: product Probabilities are expressed as a number between __ and __. - Correct Answers: 0 1 The major probability principle demonstrated in this exercise is that when two events occur at the same time, the probability of each occurrence yielding the same result is the _______ of the probability of each separate event. - Correct Answers: product The calculation of probabilities is based on ______ events. - Correct Answers: random The second generation phenotypes resulting from the cross of true-breeding monohybrid pollination will display a ratio of: - Correct Answers: 3:1