The genotype of F₁ individuals in a trihybrid cross is AaBbCc. Assuming independent assortment of these four genes, what are the probabilities that F₂ offspring will have the genotype aabbcc? Select one: Oa. 1/128 O b. 1/16 O c. 1/32 O d. 1/2 O e. 1/64
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- Calculate the Chi square for cross 1 and cross 2 from the data in the attached image. Cross1: Phenotypes Ratio Observed Expected (O-E)2/E Totals X2 = Cross 2: Phenotypes Ratio Observed Expected (O-E)2/E Totals X2 =The genotypes of F1 individuals in a trihybrid cross are LlMMNn x llMmNn. What is the probability that the F2 offspring will have an LlMmnn genotype? Use the forked-line method in solving the problem.Give only typing answer with explanation and conclusion Using a punnett square, predict the percentage of the f2 generation that would have both recessive traits (rryy) in a dihybrid cross that starts with f1 generation parents with genotype RrYy. a. 18.75 percent b. 50 percent c. 37.5 percent d. 6.25 percent
- What is the most likely combination of genotypes for a cross between two heterozygous individuals, using these alleles; B is dominant to b? a 2BB and 2bb b 1BB, 2Bb, and 1bb c 1BB, 1Bb, and 2bb d 3BB and 1bbThe genotype of F1 individuals in a tetrahybrid cross is AaBbCcDd X AaBbCcDd. Assuming independent assortment of these four genes, what are the probabilities that F2 offspring will have the following genotypes? Calculate the probability of each using multiplication and addition rules. Show your work. a. aabbccdd b. AaBbCcDd c. AaBBCCdd d. Any of the 3 genotypes above. Which of the following terms is used to describe the offspring of a cross of two true-breeding parents that differ in one or more traits? A) Hybrid B) Pure line C) Homozygous D) Reciprocal
- In a trihybrid cross involving three traits where the parents are AaBbCc. (a) What is the probability of them producing an offspring recessive for all three traits? (b) What is the probability of offspring with phenotype A_bbc_?Two organisms, with genotypes BbDD and BBDd, are mated. Assuming independent assortment of the B/b and D/d genes, write the genotypes of all possible offspring from this cross and use the rules of probability to calculate the chance of each genotype occuring.a 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 D
- Which of the following statements illustrates codominance? Select one: a. Red flowers crossed with white flowers produce pink flowers. b. Individuals who are heterozygous for the sickle cell anemia allele are more resistant to malaria. c. Two parents with blood types A and B can have children with blood type O. d. Grey heterozygous chickens have black and white feathers.The genotype of F1 individuals in a tetrahybrid cross is AaBbCcDd X AaBbCcDd. Assuming independent assortment of these four genes, what are the probabilities that F2 offspring will have the following genotypes? Calculate the probability of each using multiplication and addition rules. Show your work. a. AaBBCCddImagine that you are performing a cross involving seed texture in garden pea plants. You cross true-breeding round and wrinkled parents to obtain F1 offspring. Which of the following experimental results in terms of numbers of plants are closest to what you expect in the F2 progeny? a. 8lOroundseeds b. 8lOwrinkledseeds c. 405:395 round seeds:wrinkled seeds d. 610:190 round seeds:wrinkled seeds