In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in F1 generation?
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A common test to find the genotype of a hybrid is by: |
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A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate blood transfusion. His one friend who has a valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend? |
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Haemophilia is more commonly seen in human males than in human females because |
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A self-fertilizing trihybrid plant forms: |
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Given below is a pedigree chart of a family with five children. It shows the inheritance of attached ear lobes as opposed to the free ones. The squares represent the male individuals and circles the female individuals. Which one of the following conclusions drawn is correct? |
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Rh factor can produce life-threatening disease ______. |
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Grain colour in wheat is determined by three pairs of polygene. Following the cross AABBCC (dark colour) x aabbcc (light colour), in F2-generation what proportion of the progeny is likely to resemble either parent |
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Which of the followings is a well known autosomal abnormality at birth? |
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The genotype of a plant showing the dominant phenotype can be determined by |
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Mendel's principle of segregation means that the germ cells always receive |
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