Expalin why generally only the male child sufers from colour blindness and not a female

Expalin why generally only the male child sufers from colour blindness and not a female b. c. d. e. Autosomes Recessive gene Allele Homologous chromosomes and %hape (G) "litc alternative forms of a gene/ (iii) Study of laws of inheritance of characters (iv) A gene that can express only when in a similar pair (v) Chromosomes other than the pair of sex chromosomes. 2. 3. Name any two genetic diseases in humans. Which one of the following genotypes is homozygous dominant and which one homozygous recessive in regard to tongue rolling . Rr, rr, RR. tic . SHORT ANSWER TYPE 1. Differentiate between . a genotype and phenotype. Cbj¯Zharacter and trait. (c) monohybrid and dihybrid cross (phenotypic ratio). 2. Among lion, tiger and domestic cat, all the three have the same number of 38 chromosomes, yet they have different appearances. How do you account for such differences ? 3. List any three features of garden pea with their dominant and recessive traits. 4. Explain why generally only the male child suffers from colour blindness and not the female? 5. In a certain species of animals, black fur (B) is dominant over brown fur (b). Show the possible ratio of genotypes and phenotypes of the offspring of the pure breeding different coloured parents. are 'Bb' or 2. Two pairs (A below : NHITE MALE OFF (a) Can yo domino (b) Is the 3. Make a proportio a genetic (a) A pu (b) Red varle 4. A fam five chi the int them. 1