In his monohybrid crosses, Mendel always found that one form disappeared in F1. What did Mendel call the form that disappeared in F1? The hybrid form The dominant form The reciprocal form The recessive form
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Which of the following observations led Mendel to conclude that some traits were recessive? A. Plants with a certain form of each trait were more likely to survive and reproduce than plants with other forms of each trait. B. The offspring produced during his first set of experiments expressed one form of a trait, while the offspring produced during his second set of experiments expressed a different form of the trait. C. When he crossed plants that expressed different forms of a trait, one form always "disappeared" and never "reappeared in later generations. D. The form of a trait that seemed to "disappear" during his first set of experiments "reappeared" during his second set of experiments.
Rupsa S.
Mendel crossed two plants, called the P generation. The offspring of this cross are known as hybrids. What are hybrids? a. The result of crossing two true breeding plants; they contain two genes, one of each allele. b. The result of a hybrid cross; they contain two genes for each trait, both carrying the recessive allele. c. The result of a hybrid cross; they contain two genes for each trait, both carrying the dominant allele. d. The result of crossing two true breeding plants; they contain two genes of identical alleles.
Adi S.
What was Mendel's explanation for his observation that traits that had disappeared in the F1 generation reappeared in the F2 generation of the pea plants he used in his experiments? Traits can be dominant or recessive, and the recessive traits were "hidden" by the dominant ones in the F1. The mechanism controlling the appearance of traits was different between the F1 and the F2. New mutations were frequently generated in the F2 progeny "reinventing" traits that had been lost in the F1. The traits were lost in the F1 due to dominance of the parental traits. Question 14 Which of the following statements correctly describes monohybrid cross? monohybrid cross produces single offspring monohybrid cross involves organisms that are heterozygous for one character; monohybrid cross involves a single parent A monohybrid cross is performed for one generation
Anand J.
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