Class 10 Biology - Heredity (Worksheet)
Fill in the blanks with suitable word(s).
1. The generation resulting immediately from a cross of the first set of parents is called ____________.
2. All cells forming the body of an organism, except the reproductive cells are called _________ cells.
3. A type of crossing in which only one pair of contrasting characters is considered is called _________ cross.
4. Cell having two sets of chromosomes, one of paternal origin, the other maternal is called ______ cell.
5. A long thread-like structure in the nucleus. It appears during cell division and carries genes. It is known as _______.
6. Reproductive cells containing only one set of dissimilar chromosome are called _________.
7. __________is known as Father of Genetics.
8. The process through which characters or traits pass from one generation to another is called _______.
9. An allele/trait, whose phenotype (physical appearance) will be expressed even in the presence of another allele of that gene. It is represented by a capital letter. It is called _________.
10. Mendel studied seven pairs of contrasting characters in pea plants to study heredity. The scientific name of the pea plan is _________.
11. In monohybrid cross, Mendel obtained genotype ratio as _________.
12. In dihybrid cross experiment, based on results Mendel concluded that two trails are inherited _________.
13. Expression of traits is controlled by cellular ______ which carries many genes. Each gene carries information for one particular protein.
14. In human beings, there are 23 pairs of chromosomes, out of which 22 pairs are ________ and one pair is sex-chromosomes.
15. If a sperm carrying X-chromosome fertilises the egg, the child born will be a _________.
๐Download Worksheet
Answers:
1. F1 progeny or F1 generation
2. somatic cells
3. monohybrid
4. diploid
5. chromosome
6. gametes
7. Gregor Johann Mendel.
8. inheritance
9. dominant
10. Pisum sativum
11. 1:2:1
12. independently.
13. DNA
14. autosomes
15. female (XX)
Ch 9 - Heredity & Evolution (MCQs) or Eduvictors Quiz
Ch 9 - Heredity & Evolution (Important Terms and Definitions)
Heredity and Evolution - Origin Of Life On Earth (Concept Points)
Ch 9 - Heredity and Evolution - Unit Test Paper
No comments:
Post a Comment
We love to hear your thoughts about this post!
Note: only a member of this blog may post a comment.