Heredity and Genetics Vocabulary (Grade 7)
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Heredity and Genetics Vocabulary
Instructions:
Use the word bank to complete each statement about genetics and heredity.
Word Bank: phenotype; Punnett square; gene; heredity; 46; genome; chromosomes; genotype; pea; mutations; genetics; 23; DNA; chromatid; trait; alleles
1.
The study of heredity is called .
2.
The basic molecule of life is called .
3.
Structures made of DNA and other molecules are .
4.
Each identical rod in a chromosome is called a(n) .
5.
A small section of DNA is called a .
6.
When DNA copies itself, it is not always perfect. The mistakes made are called .
7.
Different versions of the same gene are called .
8.
Humans have pairs of chromosomes, making a total of chromosomes.
9.
The genetic make-up of an organism is known as its . The actual physical expression of those genes is called its .
10.
is the passing of genes from parents to offspring.
11.
A(n) is all the DNA in one cell of an organism.
12.
A physical characteristic is a .
13.
A is a chart that shows possible gene combinations.
14.
Gregor Mendel was the father of genetics and studied plants.
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