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Hello students, in this question we have been given with different traits and we need to answer the following questions with respect to each of the characteristics.
00:12
So, in the first question it is the color of the skin that is black and brown, black is dominant and brown is recessive.
00:29
On crossing heterozygous black individuals, the phenotypic ratio is black is to brown, that is 3 is to 1.
00:46
Next answer is when we cross a black and a brown, we get the following phenotypes.
01:00
So, the phenotypic ratio is black is to brown, that is 1 is to 1.
01:11
Probability of getting black individual is 2 by 4 is 1 by 2.
01:18
Next is about the flower color red, pink and white, snapdragon.
01:24
Here we cross a red one with a white one and we get two phenotypes.
01:35
We get only one phenotype that is only pink.
01:52
In the next question, we cross two pink flowers and we get following phenotypes.
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So, for the first question the phenotypic ratio is 1 is to 2 is to 1 and probability of pink flower is 1 by 2.
02:19
In the next question, we have been given with four blood groups and we need to write the genotypes.
02:28
Genotypes for a might be heterozygous or homozygous...