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प्रश्न
What is back cross?
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उत्तर
The back cross is a cross of an F1 hybrid with any one of the parental genotypes. The back cross is of two types; they are dominant back cross and recessive back cross. It involves the cross between the F1 off spring with either of the two parents.
संबंधित प्रश्न
Among the following characters which one was not considered by Mendel in his experimentation pea?
Findings of Gregor Mendel were rediscovered by the following scientists EXCEPT for ______
Mendel’s last law is ______.
The process of mating between closely related individuals is ______.
Two genes ‘A’ and ‘B’ are linked. In a dihybrid cross involving these two genes, the F1 heterozygote is crossed with homozygous recessive parental type (aa bb). What would be the ratio of offspring in the next generation?
Assertion: When the two genes in a dihybrid cross are situated on the same chromosome, the proportion of parental gene combinations is much higher than the nonparental type.
Reason: Higher parental gene combinations can be attributed to crossing over between two genes.
Do genetic combination of mothers play a significant role in determining the sex of a new born?
Independent assortment means:
Describe the dihybrid cross upto F2 generation as conducted by Gregor Mendel using pure lines of Garden Pea for characters-seed shape and seed colour.
What is the first step in Mendel's experimental sequence for studying heredity?
