Inheritance Genetics

How many pairs of chromosomes do human body cells have?

• 10

• 22

• 23

• 44

• 46

If an organism has two different copies of the allele (Bb) it is called ___________________________.

• phenotype

• recessive

• homozygous

• heterozygous

• adapted

Slight differences in inherited traits among individual members of a species is known as __________________.

• variation

• inheritance

• traits

• acquired traits

• natural selection

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Pea plants can be either yellow or green. Yellow is the dominant trait and green is the recessive. What would the genotype be of a green pea plant?

• YY

• Yy

• yy

• there is no way to know for sure

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is a distinguishing characteristic of an organism called?

• trait

• gene

• chromosome

• stimulus

• adaptation

Tags

NGSS.MS-LS4-4

Long fur (L) is dominant to short fur (l) in rabbits. Which rabbits would have long fur?

• LL

• Ll

• ll

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In a certain flower, tall height (T) is dominant over short height (t). In the punnett square below, what belongs in the missing square?

• tt

• Tt

• Bb

• TT

Tags

NGSS.HS-LS3-1

In bears, brown fur (B) is dominant over white fur (b). In the punnett square, what is the probability for white fur?

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is called when a organism has two different alleles for a trait. Example - Tt or Rr

• Heterozygous

• Homozygous

• Domozygous

• Thermozygous

What is called when a organism has two identical alleles for a trait. Example - TT or tt.

• Heterozygous

• Homozygous

• Domozygous

• Thermozygous