Genetics

Which of the following alleles is homozygous (purebred) recessive?

• Tt
• tt
• TT
• t

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive
• dominant
• lower case letter
• both 

In Punnett Square's, each box represents ____________.

• offspring

• parent

• gene

• trait

Tags

NGSS.HS-LS3-1

The passing of physical characteristics from parent to offspring is __________.

• genetics
• heredity
• genes
• traits

Tags

NGSS.HS-LS3-1

What does heterozygous mean?

• An organism that has the same alleles(genes) for a trait.

• An organism that has different alleles(genes) for a trait.

• When neither gene is fully dominant; offspring is a mixture of both.

• The different forms of a trait.

Which of the following is homozygous dominant?

• Yy

• Y

• yy

• YY

Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.

• DNA
• protein
• RNA
• glucose nucleic acid (GNA)

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

Why are your chromosomes arranged in pairs?

• Scientists have no idea
• Because you get one from your mom and one from your dad
• Because pairs can divide easier
• Because DNA is awesome

Tags

NGSS.HS-LS3-1

An organism’s genetic makeup or allele combination.

• Genotype
• Phenotype
• Beanotype
• Notype

Tags

NGSS.HS-LS3-2