Genetics/Heredity

Every living thing has genetic information stored in the form of

• Ribosomes

• DNA

• Chloroplast

• Mitochondria

Answer explanation

Genetic information in living things is stored in the form of DNA, making it the correct choice among the options provided.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

If two alleles are the same for a certain trait they are considered

• Homozygous

• Twins

• Heterozygous

• Common

Answer explanation

If two alleles are the same for a certain trait, they are considered homozygous. This means that both alleles are identical, whether dominant or recessive.

Tags

NGSS.HS-LS3-1

Physical traits that are expressed are known as ____________

• Mutation

• Personality

• Genotype

• Phenotype

Answer explanation

Physical traits that are expressed are known as phenotype, which is the correct choice in this question.

Tags

NGSS.HS-LS3-1

The genes of an organism that are written with capital or lowercase letters

• Pant size

• Deoxyribonucleic acid

• Genotype

• Gretchentype

Answer explanation

The correct answer is 'Genotype' because the genes of an organism are written with capital or lowercase letters, which refers to the genetic makeup of an individual.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a gene is always expressed or always shown with a capital letter it is

• Bossy

• Recessive

• Yelling

• Dominant

Answer explanation

A gene that is always expressed or shown with a capital letter is considered dominant in genetics.

Tags

NGSS.HS-LS3-1

If a certain trait has two different alleles (one dominant and one recessive) it is called __________________

• Homozygous

• Confused

• Differentiated

• Heterozygous

Answer explanation

The correct term for a trait with two different alleles (one dominant and one recessive) is 'Heterozygous'. In this case, the individual carries both alleles for the trait.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This variation of a gene can only be expressed if it is received from both parents

• Shy

• Heterozygous

• Variation

• Recessive

Answer explanation

This variation of a gene can only be expressed if it is received from both parents, indicating a recessive gene. Therefore, the correct choice is 'Recessive'.

Tags

NGSS.HS-LS3-1

Different versions of the same gene are called

• Jeans

• Editions

• Varieties

• Alleles

Answer explanation

Different versions of the same gene are called alleles, not jeans, editions, or varieties. Alleles are different forms of a gene that can result in different traits.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In mice, black fur is dominant over white fur.
Which letters would represent the homozygous black parent's alleles?

• BB

• Bb

• bb

• bB

Answer explanation

The homozygous black parent would have two dominant alleles, represented by BB.

Tags

NGSS.HS-LS3-1

In mice, black fur is dominant over white fur.
Which letters would represent the homozygous white parent's alleles?

• BB

• Bb

• bb

• bB

Answer explanation

The homozygous white parent would have two recessive alleles for white fur, represented by the genotype 'bb'.

Tags

NGSS.HS-LS3-1