8th-Ch 2:2 -Understanding Inheritance

Front

____________ are made of DNA. They are found on pairs of _______________ inside each _____________________.

Back

genes, chromosomes, cell

Front

The different forms of a gene are known as _______________. For example, the two forms of the gene for flower color of the pea plants are purple or white; human eye color: blue, green, brown and hazel.

Back

alleles

Front

Do sexually reproduced organisms inherit a gene for each trait from each parent, with one gene possibly being expressed while the other is not?

Back

true

Front

If an organism's phenotype is a known recessive trait, what do we know about its genotype?

Back

It must have inherited recessive traits from both parents.

Front

Which plant is homozygous for recessive traits? Options: Rr, TT, RR, tt

Back

tt

Front

Which organism is heterozygous purple?

Back

Pp

Front

How many offspring will be purple with a cross between (P,p) and (p,p) parents?

Back

50%

Front

Cross a homozygous tall plant with a homozygous short plant. What percentage of offspring will be heterozygous?

Back

100%

Front

When both alleles or forms of a trait are expressed in the phenotype, this is known as ______________ example: (White cow+red cow= white and red calf)

Back

codominance

Front

White camelias and red camelias blend phenotypes to make pink camelias

Back

incomplete dominance