Explain the results of Mendal
F1 generation
for seven
characters in pea plants?
Answers
Answer:
In this set of experiments, Mendel observed that plants in the F1 generation were all alike. All of them had yellow round seeds like one of the two parents. ... Some had green round seeds, for example, and some had yellow wrinkled seeds. These combinations of characteristics were not present in the F1 or P generations.
Explanation:
Answer:
He continued his experiment with self-pollination of F1 progeny plants. Surprisingly, he observed that one out of four plants were dwarf while the other three were tall. The tall and the short plants were in the ratio of 3:1.
He also noted that no progeny was in intermediate height, i.e., no blending was observed. The result was the same for other traits of plants too, and he called them second hybrid generation and the offspring were called Filial2 or F2 progeny.
Mendel observed that traits which were absent in F1 generation had reappeared in the F2 generation. He called such suppressed traits as recessive traits and expressed traits as dominant traits. He also concluded that some ‘factors’ are inherited by offspring from their parent over successive generations.
Later, these ‘factors’ were called genes. Genes are responsible for the inheritance of traits from one generation to another. Genes consist of a pair of alleles which code for different traits. If a pair of alleles is the same, i.e., TT or tt, such alleles are called homozygous pair while those that are different or non-identical (e.g. Tt) are called heterozygous pair.
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