Principles of I...

The innate tendency of offspring to resemble their parents is called?

Monohybrid ratio is _________.

Who is regarded as the father of genetics?

Material used for conducting experiments on genetic traits by Mendel was _________.

The physical expression or appearance of a character is called as:

F2 generation is obtained by _________.

Dihybrid cross proves the law of _________.

In pea plants, yellow seeds are dominant to green, If a heterozygous yellow seeded plant is crossed with a green seeded plants, what ratio of yellow and green seeded plants would you expect in F1 generation?

In a cross between a pure tall plant with green pod and a pure short plant with yellow pod. How many short plants are produced in F₂ generation out of 16?  

The test cross is used to determine the  ________.

The genotypes of a husband and wife are I^A I^B and I^Ai. Among the blood types of their children how many different genotypes and phenotypes are possible?

Inheritance of skin colour in human being is an example of _______.

Which of the following is an example of co-dominance?

A human male produces sperms with the genotypes AB, Ab, aB, ab pertaining to two diallelic characters in equal proportions. What is the corresponding genotype of this person?

In Mirabilis jalapa, when two F1 pink flowered plants were crossed with each other, the F2 generation produced 40 red, 80 pink and 40 white flowering plants. This a case of:

Assertion: The cross between red and white flower-bearing snapdragon plants results in pink coloured flower.
Reason: Incomplete dominance of red and white flower results in pink coloured flower.

Crossing over brings:

Plotting of specific genes on the chromosome is known as _________.

When two genes are situated very close to one another on a chromosome _________.

XY chromosome that determine the sex in human beings are:

Statement I: The bridge between one generation and the next is sperm and ovum.
Statement II: Both sperm and ovum contribute equally to heredity.
Statement III: Somatic diploid cells possess two chromosomes as well as two mendelian factors of each type.

Sex determination in human beings is _________.

XO type of sex determination is found in _________.

In human beings, if ovum fertilizes with a sperm carrying X-chromosome, the zygote develops into _________.

Henking X-body present in 50% of sperms are now known as: