CBSE Class 12 Biology Principles of Inheritance and Variation Cross Word

PRINCIPLES OF INHERITANCE AND VARIATIOM

(CROSS WORD)

This Class 12 Biology crossword for CBSE Chapter 5 Principles of Inheritance and Variation covers Mendelian genetics, sex-linked and autosomal disorders, chromosomal theory of inheritance, chromosome behaviour during cell division and the terms used for gene pairs and alleles. Clues are given below in Down and Across order.

Down

2. Inborn error of metabolism inherited as autosomal recessive trait
3. Which amino acid substitutes Glutamic acid in sickle cell anaemia an autosome recessive trait disorder
4. Term used for 2 different types of gametes in terms of sex chromosome
7. Specific name of pea plant
8. Scientist who gave the experimental verification of chromosomal theory of inheritance
9. Genetic name of fruit fly
10. Term for segregation of chromatids during cell division cycle results in the gain or loss of chromosome(s)
12. The discrete unit that controls the characters and occurs in pairs

Across

1. Sex linked recessive disease when in the clotting of blood is affected
5. Well known Indian breed of cows in Punjab
6. Who proposed the graphical representation in a genetic cross
8. Sudden change results in the alteration of DNA sequence
11. Genetic disorder due to the presence of an additional copy of X chromosomes resulting in a karyotype of 47
13. The structure in the nucleus that appeared double and divide just before each cell division
14. Genes which code for a pair of contrasting traits are also known as_______