PMA 3 Review

A small segment of DNA that code for traits is a _________

• Nucleus

• Chromosomes

• Gene

• Centromeres

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which term refers to physical characteristics that is determined by your DNA?

• offspring

• traits

• generations

• hybrids

The different forms of a gene are called

• factors

• alleles

• masks

• traits

Tags

NGSS.MS-LS4-4

What does heredity mean?

• DNA being passed down from one generation to the next.
• Passing down acquired characteristics to your offspring.
• Leaving money in a will to your children
• all DNA is kept in the nucleus

Tags

NGSS.MS-LS3-2

The observable expression of a trait

• phenotype

• genotype

• chromosome

• allele

Tags

NGSS.HS-LS3-1

These types of alleles are only expressed if the organism has two copies

• dominant

• recessive

• homozygous

• heterozygous

This type of allele is expressed whether there are one or two copies present.

• dominant

• recessive

• homozygous

• heterozygous

The genotype Aa is best described as

• heterozygous

• homozygous

The genotype gg is best described as

• heterozygous

• homozygous

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3