Genetics

Genetics is the study of _________.

• Body Systems

• Cell division

• Heredity

• Sexual reproduction

Chromosomes carry ___________ which expresses specific traits.

• Genes

• Information

• DNA

• All of the above

The variance in a gene, which occur on a fixed spot on a chromosome, is called a/an ________.

• Allele

• Cell

• Centromere

• Nucleus

On a Punnett square, two capital letters indicate a gene which is ______________.

• Homozygous dominant

• Homozygous recessive

• Heterozygous

• None of the above

Probability in genetics is expressed in

• Equations

• Fractions

• Percentages

• Whole numbers

Genetic variation occurs in what type of reproduction?

• Asexual

• Sexual

• Both

How many alleles (letters) do each person carry for a trait?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• recessive
• dominant
• lower case letter
• both 

What you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

Tags

NGSS.HS-LS3-1