WorksheetsCHAPTER 1 GENETICS
Total questions: 10
Worksheet time: 6mins
Define trait
Trait is a quantity of a person's characteristics.
Trait is a notable feature or quality in a person. Traits are passed from generation to generation.
Trait is a feature that passed from child to parents.
Trait is a generation's feature that passed from population to population.
Heredity or inheritance is the transmission of
traits from one generation to the next
generation.
TRUE
FALSE
The genes are
inherited from the
parents’
(a) .
Which one are the examples of inherited traits?
Dimples, no dimples
Heart attack
Curly hair, straight hair
Anxiety
A nucleotide is composed of three parts: a nitrogenous base, a pentose and a phosphate group.
True
False
DNA is composed of 4 strands held together by hydrogen bonds that are then twisted together with nitrogen bases acting as the "steps" or "rungs" of the ladder.
True
False
The amino acid sequence in the primary structure of a protein is determined by a specific sequence of nucleotides. This specific sequence is called a gene.
True
False
Histones are proteins that allow DNA to be tightly packaged into units called chromatin.
True
False
Define gene
Basic unit of heredity composed of RNA, a section of chromosome that codes for a specific trait
Basic unit of heredity composed of DNA, a section of chromatin that codes for a specific trait
Basic unit of heredity composed of DNA, a section of chromosome that codes for a specific trait
Basic unit of heredity composed of RNA, a section of chromatin that codes for a specific trait
Cells with only ONE set of chromosomes (one gene for each trait) are _________.
Somatic
Gamete
Diploid
Haploid
