Round seeds R are dominant to wrinkled r seeds. Cross a homozygous dominant with heterozygous
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Explanation:
In a homozygous plant round seeds (R) are dominant over wrinkled seeds (r).
(i)Draw a Punnett square to show the gametes and offspring when both the plants have heterozygous round seeds (Rr).
(ii) Mention the phenotype and genotype ratios of the offsprings in F
2
generation.
(iii) Name the sex chromosomes in human males and females.
(iv) Briefly explain the term mutation.
(v) What is the number of chromosomes in the gametes of human beings?
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