principle of inheritance and variation
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principle of inheritance and variation - Marcador
principle of inheritance and variation - Detalles
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| 🇬🇧 | 🇬🇧 |
| A true breeding plant is | Homozygous and produces offspring of it's own kind |
| It is a recessive sex linked disorder, which occurs in 8 percent male and 0.4 percent female.. | Colour blindness |
| Haemophilia is characterised best as which disorder | X-linked recessive gene disorder |
| Mendel crossed a tall true-breeding pea plant with a dwarf true-breeding pea plant what are the result of the F2 generation | 1:2:1 tall homozygous:heterozygous tall:dwarf |
| Sickle cell anemia is which disorder | It is a autosomal linked recessive gene disorder |
| XX females have one Barr body per cell, XXX females have 2 Barr bodies per cell, and XXY males have one Barr body per cell (Barr bodies are not observed in XY males). | Klinefelter syndrome |
| Haemophilic gene is which disorder | Sex-linked recessive disorder |
| P^2+q^2+2pq where p^2 represents AA, q^2 represents aa and 2pq represents Aa | Hardy wienbergs's principle |
| If blood group A is crossed with blood group B then the offsprings will have which blood group | A,B,AB,O |
| Multiple alleles are present where on the chromosome | On the same locus of the chromosome |
| What are alleles | Different molecular forms of a gene |
| Mendel's law of segregation means that the germ cells always receive | One of the paired alleles |
| Two allelic genes are located on | Two homologous chromosomes |
| A test cross is carried out to predict | If the two traits are linked |
| The colour based contrasting traits studied by mendel were | Three ( the flower colour, the pea colour and the pod colour) |
| Presence of recombinants is due to | Crossing over |
| A human female with turner syndrome has | 45 chromosomes with XO |
| The existence within a population of non-beneficial alleles in a heterozygous genotype is | Genetic load |
| An allele that produces the same phenotype whether its paired allele is identical or different | Dominant epistasis |
| Period for Mendel's hybridization | 1856-1863 |
| Characteristics which represent the inheritance of blood groups in humans | Dominance, co-dominance and multiple alleles |
| The formation of multivalents at meiosis in diploid organism is due to | Reciprocal translocation |
| Polygenic genes show | Different phenotype |
| Mirabilis jalapa shows | Incomplete dominance |
| Frame shift mutation occurs when | Base is added or deleted |
| In india, we find mangoes with different flavours,colours,fibre content, sugar content and even shelf-life. the largest variation occurs on account of | Genetic diversity |
| Gene which suppresses other gene's activity but does not lie on the same locus is called as | Epistatic |
| XO-chromosomal abnormality in human beings causes | Turner's syndrome |