BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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What is the probability of obtaining an individual with the genotype bb from a cross between two individuals with the genotype Bb?
a. ½
b. ¼
c. ⅛
d. 0
Two summer white squashes with genotype WwYy
were crossed (W= white color, Y=yellow color, w
and y= green color) W is epistatic to Y and y. What
would be the different colors of summer squashes
obtained out of the above cross? (2 pts.)
A. 12 white: 3 yellow:1 green
B. 12 yellow: 3 white: 1 green
C. 12 green: 1 white: 3 yellow
D. 12 yellow: 3 green: 1 white
The monohybrid crossing of heterozygous organism is analyzed. Which distribution of progeny genotypes will be:
Select one:
O a. 3:1
O b. 1:2:1
O C. 1:1
d. 9:3:3:1
O e. 9:7
Chapter 12 Solutions
BIOLOGY
Ch. 12.1 - Prob. 1LOCh. 12.1 - Explain the advantages of Mendels experimental...Ch. 12.2 - Evaluate the outcome of a monohybrid cross.Ch. 12.2 - Explain Mendels Principle of Segregation.Ch. 12.2 - Compare the segregation of alleles with the...Ch. 12.3 - Evaluate the outcome of a dihybrid cross.Ch. 12.3 - Explain Mendels Principle of Independent...Ch. 12.3 - Compare the segregation of alleles for different...Ch. 12.4 - Prob. 1LOCh. 12.4 - Prob. 2LO
Ch. 12.5 - Interpret data from testcrosses to infer unknown...Ch. 12.6 - Describe how assumptions in Mendels model result...Ch. 12.6 - Prob. 2LOCh. 12.6 - Explain the genetic basis for observed alterations...Ch. 12 - Inquiry question What confounding problems could...Ch. 12 - Prob. 2IQCh. 12 - Prob. 1DACh. 12 - Prob. 2DACh. 12 - Prob. 3DACh. 12 - What property distinguished Mendels investigation...Ch. 12 - The F1 generation of the monohybrid cross purple...Ch. 12 - The F1 plants from the previous question are...Ch. 12 - In a cross of Aa Bb cc X Aa Bb Cc, what is the...Ch. 12 - An organisms __________ is/are determined by its...Ch. 12 - Phenotypes like height in humans, which show a...Ch. 12 - Japanese four oclocks that are red and tall are...Ch. 12 - If the two genes in the previous question showed...Ch. 12 - What is the probability of obtaining an individual...Ch. 12 - Prob. 4ACh. 12 - Prob. 5ACh. 12 - Mendels model assumes that each trait is...Ch. 12 - z1. Create a Punnett square for the following...Ch. 12 - Explain how the events of meiosis can explain both...Ch. 12 - Prob. 3SCh. 12 - In mammals, a variety of genes affect coat color....
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- If several pea plants with the genotype TtYy are crossed with pea plants with the genotype TtYy, what is the probability of producing the genotype TTYY in offspring? A. 1/16 B. 1/2 C.1/4 D.1/8arrow_forwardPossible Options: A. 1/3 B. 2/3 C. 1/2 D. 1/4arrow_forwardA number of all-white cats are crossed, and they produce the following types of progeny: 1216 all-white, 316 black, and 116 gray. What is the genotype of the black progeny? a. Aa b. Aa Bb c. A_B_ d. A_barrow_forward
- What is the likelihood that a parent with Type AB blood would have a child with Type O blood?a. 50%b. 25%c. 0%d. This can’t be determined without knowing the blood type of the other parent.arrow_forwardPossible options: A. 1/9 B. 1/3 C. 1/6 D. 8/9arrow_forwardIf these two individuals with the following characteristics are crossed Parent 1: blood type AB; heterozygous for H gene Parent 2: heterozygous B blood type; hh genotype What is the phenotypic ratio (blood type) of the F, generation? A. 4 AB: 1 A: 1 B: 2 0 B. 2 AB: 2 A: 4 B: no O C. 1 AB: 1 A: 2 B: 4 0 D. 1 AB: 1 A: 1 B: 10arrow_forward
- In the following cross, +s +a X +s +a, how many offspring do you expect to have wt eyes and wt wings? а. 3/16 b. 9/16 c. 1/16 d. 3/4arrow_forwardAssuming no gene linkage, in a dihybrid cross ofAABB x aabb with AaBb F1 heterozygotes, what is the ratio of the F1 gametes (AB, aB,Ab, ab) that will give rise to the F2 offspring? a. 1:1:1:1 b. 1:3:3:1 c. 1:2:2:1 d. 4:3:2:1arrow_forwardWhat is the probability that a cross between a true-breeding pea plant with round seeds and a true-breeding pea plant with wrinkled seeds will produce F 1 progeny with round seeds? A. 0 B. 1/4 C. 1/2 D.1 E. 1/8 5 pointsarrow_forward
- If a Mendel's dihybrid cross between two double heterogotes (AaBb x AaBb), assuming that the dominant allele is completely dominant over the recessive allele, what should be the phenotypic ratio of the progeny? A. 3:1 B. 9:3:3:1 C. 4:4:4:4 D. 9:3:4arrow_forwarda cross between AaBb and aaBb should give what phenotypic ratio? A. 7:1 B. 15:1 C. 3:1 D. 1:1 E. B and Darrow_forwardThe pea plants used in Mendel’s genetic inheritance studies were diploid, with 14 chromosomes in somatic cells. Assuming no crossing over events occur, how many unique gametes could one pea plant produce? a. 28 b. 128 c. 196 d. 16,384arrow_forward
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