Genetics Review #1

The production of gametes for sexual reproduction is called?

• cloning

• mitosis

• meiosis

• asexual reproduction

Tags

NGSS.HS-LS3-2

Which of the following are sources of genetic variation?

• crossing over

• DNA mutations

• fertilization

• all of the above

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

When an allele masks another allele it is said to be?

• dominant

• recessive

• codominant

• sex-linked

If you cross a homozygous tall plant with a homozygous short plant, what will be the offspring ratio?

• all tall

• 3/4 tall, 1/4 short

• 1/2 tall, 1/2 short

• all short

Tags

NGSS.HS-LS3-1

If two parents have a child with a trait that neither of them have, what must be their genotypes?

• both homozygous

• both heterozygous

• one homozygous, one heterozygous

• cannot be determined

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A farmer crosses a yellow pea plant with a green pea plant and the offspring are 1/2 yellow and 1/2 green. What is the genotype of the yellow plant?

• YY

• Yy

• yy

• cannot be determined

Tags

NGSS.HS-LS3-1

Which of the following blood types can NOT produce a child with type O blood?

• Type A

• Type B

• Type AB

• Type O

If flower color is CODOMINANT the offspring of a red-flowered plant and a white-flowered plant would be?

• all pink

• all red and white (speckled)

• all white

• all red

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

A profile of a particular species' chromosome count is called a ?

• pedigree

• karyotype

• Punnett square

• phenotype

Having three copies of a particular chromosome such as Down Syndrome (trisomy 21) is a result of ?

• mutations

• segregation of alleles

• nondisjunction

• crossing over