The inherited traits of an organism are governed by_____________.

The traits of an organism are passed to its offspring on small coded strands of DNA material called

• Heredity is the passing of genetic information and traits through genes.
• Recessive trait is expressed only when genotype is homozygous.
• Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half.

Genes always appear in pairs. Your parents donate ________ allele for every trait.

The thread like structure which appear inside the nucleus is

Asters, spindle fibres and centrioles helps in cell division.

Segments of DNA are called _______________________.

The ends of the chromosome are called ___________.

A segment of DNA that codes for a trait is ___________.

More than _______ alleles that control a trait are called multiple alleles.

• ABO blood grouping in humans is an example of multiple alleles.

How are similarities passed from parent to offspring?

A version or variation of a gene is ___________.

• Humans are diploid organisms because they have two alleles at each genetic locus.
• Each allele inherited from each parent.
• 

Which of the following statements about chromosomes is correct?

• Chromatin condenses to form chromosomes.

Where is the DNA located inside the cell?

Which is the best definition of DNA?

What are chromosomes and chromatin made of?

A human usually has _____ chromosomes in _____ pairs

Genes are located on___________.