#1 HbA and HbS alleles of normal and sickle cell haemoglobin are
#2 Which of the following changes to a DNA molecule is least likely to result in a deleterious mutation?
#3 Sometimes chromosome number increases or decreases due to
#4 Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage?
#5 The polygenic genes show
#6 Sickle cell anaemia is due to substitution in which
#7 In pea plants, the long-stem trait (L) is dominant and the short-stem trait is recessive. Two pea plants were crossed, producing seeds that yielded 165 long-stem plants and 54 short-stem plants. The genotypes of the parent plants were most likely
#8 If gene frequency between genes a and c is 2%, b and c is 13%, a and b 15%, c and d 17% and a and d 19% , what will be the sequence of these genes in a chromosome
#9 Multiple alleles occur on:
#10 A haemophilic male marries a normal woman, whose father is also a haemophilic. It is expected that
#11 Which one of the following individuals can 16 different gametes?
#12 If you cross a diploid individual that is homozygous recessive for a given trait with a heterozygous diploid individual, what is the probability of obtaining with the homozygous recessive phenotype?
#13 Which one of the following crosses show 3 : 1 ratio?
#14 A cross between a plant having genotype AaBb × aabb do not yield a ratio of 1 : 1: 1 : 1. What can we say?
#15 A man with blood group A marries a woman having blood group AB. Which of the following blood group in the progeny of this couple would show that the man is heterozygous?
ALSO WATCH: Mendelian Inheritance, Thalassemia, Polygenic Inheritance, Pedigree Analysis,
IN OUR YOUTUBE CHANNEL: simplified Biology