Genetics and Punnett Squares Progress Check

What controls the way you look?

• your mom

• Old Navy

• genes

• jeans

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What is the physical appearance of a trait called?

• genotype

• hybrid

• phenotype

• purebred

The form a gene takes (either dominant or recessive).

• phenotype

• homozygous

• allele

• chromosome

Red hair (R) is dominant over blond hair (r). What is the probability of two heterozygous, red-haired parents producing a blond hair child?

• 0% probability

• 25% probability

• 50% probability

• 100% probability

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What are the 4 chemicals used in DNA?

• A, B, C, D

• L, M, N, O

• A, T, C, G

• H, E, L, P

Why do recessive genes show up in an offspring?

• One of the parents carries the recessive gene.

• Both parents carry the recessive gene.

• The gene mutated.

• Recessive genes never show up in offspring.

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NGSS.HS-LS3-1

What can be done to increase the reliability of your survey data?

• Limit the number of survey participants to just a few.

• Adjust the survey results to what you think should happen.

• Increase the sample size of the survey participants.

• Find survey subjects who think alike.

Two types of bias present in our Class Traits survey were...

• sample size and type of trait

• age and race/ethnicity

• dominant and recessive

• right handed and left handed

A tool used to predict traits inherited by offspring.

• a microscope

• the Punnett square

• a mathematics table

• a Venn diagram

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Traits

• are specific physical characteristics

• can be inherited

• can be someone's eye color or hair color

• all of these choices are true about traits

Tags

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