Topic: Animal Refresher

When parents of one generation pass the sex-linked character to the opposite sex in the next generation, it is known as:

Which of the following females is heterogametic (produces two types of gametes with respect to sex chromosomes)?

Heritability in the narrow sense (h²ₙ) compared to broad sense heritability (H²ᴮ) is always:

Match the column — Cumulative frequency and data representation terms: TABLE-I      TABLE-II1. Cartogram    a. Graph of time series2. Pictogram    b. Graphical representation of frequency distribution of a continuous variable3. Historigram    c. Joining the points of frequency polygon by free hand smoothed curve4. Histogram    d. Pictorial representation of data5. Frequency curve … Read more

Two genes of two different traits located on the same chromosome are said to be:

Change in gene frequency due to migration will depend upon:

Genes of Testis-determining factor (TDF) and hypertrichosis are present on the Y-chromosome. Inheritance of these characters is only through the male. Such characters are known as:

When one gene masks the expression of another non-allelic gene, it is known as:

Match the column — Animals and their sex chromosome constitution: TABLE-I (Animal)      TABLE-II (Sex Chromosomes)1. Poultry female    a. 76 + ZZ2. Human male    b. 76 + ZW3. Poultry male    c. 44 + XX4. Human female    d. 44 + XY

The value of inbreeding coefficient (Fx) is always ________ of coefficient of relationship (Rxy).