Concept explainers
A pea plant has the genotype
a.
b.
c.
d.
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Genetics: Analysis and Principles
- A gardener pertorms a mononybra cross on two heterozygous orange-fruitea tomato plants. Plants expressing the recessive phenotype yield yellow tomato fruits. What percentage of the offspring will produce yellow tomatoes? A:75% B:50% C:100% D:25%arrow_forwardYou cross a pea plant with the genotype AaBbCcDd to one with the genotype AabbCcdd. What is the chance that the offspring is aabbccDd? a. 1/128 b. 1/256 c. 1/64 d. 1/4arrow_forwarda diagram of a pedigree showsarrow_forward
- What is the phenotypic ratio of the offspring when a man who has type A blood, and whose mother had type O blood, marries a woman who has type AB blood? a 2 type A : 1 type AB : 1 type B b 3 type A: 1 type B c 1 type A : 1 type O d 1AA :1AB : 1AO : 1BOarrow_forwardHeterozygous is when... Choose the right answer: a.) the alleles are different b.) the alleles are absent c.) the alleles are present d.) the alleles are the samearrow_forwardcross two offspring using mendels rules white rose = red rose =arrow_forward
- Why is there no trait (letter) on the y chromosome for males in this pedigree? A. Because the trait is X-linked (on the X chromosome) B. Because Ms. Premo made a mistake C. Because we never write anything on the y chromosomearrow_forwardRecombination frequency shows? A. Shows the likelihood of gametes being carried over during crossover. B. Shows the likelihood of traits being carried over during crossover. C. Shows the likelihood of genes being carried over during meiosis. D. Shows the likelihood of traits being carried over during mitosisarrow_forwardA. Determine the genotype of the gametes that will come from parent 1 and parent 2. Then, perform a cross to determine the genotype and phenotype of the offspring. B. Determine the genotype of the gametes that will come from parent 1 and parent 2. Then, perform a cross to determine the genotype and phenotype of the offspring.arrow_forward
- Give written answer with explanation and conclusion A cross was made between a white male dog and two different black females. The first female gave birth to eight black pups, and the second female gave birth to four white and three black pups. What are the likely genotypes of the male parent and the two female parents? Use Punnett’s squares to support your answer. Explain whether you are uncertain about any of the genotypes.arrow_forwardA long-haired cat is crossed to a short-haired cat, both from purebreeding lines. All of the resulting offspring have short hair What types of offspring would result if you crossed one of the offspring to the long-haired parent? Group of answer choices A. all short B. ¼ short ¾ long C. half short and half long D. all long E. ¾ short, ¼ longarrow_forwardThe diagram above depicts Select one: a. nondisjunction b. complete dominance c. crossing over d. the law of segregationarrow_forward
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College