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5.4 Heredity Guided Reading

Last updated about 2 years ago
23 questions

Watch the "Genetics 101" video below. (3:10)

1

Define genetics.

1
_______ influence the expression of traits.
1
Humans have between _______ and _______ genes.
1

What is a gene?

1

What is the Human Genome Project

Grab your textbook and read pages 326 and 327 in your textbook.

1
The passing of genetic material from parent to offspring is called _______ .
1

What did Gregor Mendel discover about heredity?

1

Characteristic vs. Trait (Use the images from your book to help.)

  • seed color
  • seed shape
  • yellow seed
  • wrinkled seed
  • hair color
  • blonde
  • eye color
  • blue eyes
  • Characteristic
  • Trait
1

What was Mendel's hypothesis about how traits are passed from parent to offspring?

Read page 328 from your textbook.

1

How are traits inherited?

1

Segments of DNA found in chromosomes that give instructions for producing a certain characteristic.

1

The different version of a gene.

1

Use the picture at the bottom of page 328 and label a set of alleles in the image below.

Read page 329 in your textbook.

1

Match the terms to the appropriate definition

Draggable itemCorresponding Item
dominant
allele that contributes to the phenoype if one or two copies are present
genotype
allele that contributes to the phenoype only when two copies of it are present
phenotype
the combination of alleles that you inherited from your parents
recessive
your observable traits
1
Capital letters represent the _______ trait, while lowercase letters represent the _______ trait.
1

What color (phenotype) is the dominant trait in the example?

1

What alleles (genotype) represent a dominant trait in the example?

1

What color(phenotype) is the recessive trait in the example?

1

What alleles (genotype) represent the recessive trait in the example?

Watch the video discussing Genotype and Phenotype below. (1:42)

1

Genotype refers to the

1

Phenotype refers to the

1

Select the examples of a genotype

1

Select the examples of a phenotype