Mendelian Genetics

Front

How many alleles do you inherit from EACH parent for a specific trait?

Back

1

Front

The physical expression of a trait is called the ...

Back

phenotype

Front

Segments of DNA that code for traits are called...

Back

genes

Front

Genotype: TT

Back

homozygous dominant

Front

Genotype: Aa

Back

heterozygous dominant

Front

Cross 2 heterozygous tall pea plants. Tall (T) is dominant to short (t). What fraction of the offspring will be tall?

Back

3/4

Front

Which statement describes DOMINANT alleles?

Back

expressed when at least one is present

Front

Phenotype for flower color in pea plants? Options: Pp, PP, Purple

Back

Purple

Front

In the problem shown, what must the genotype of the missing parent be? Options: BB, Bb, bb

Back

Bb

Front

In pea plants, tall (T) is dominant over short (t). If two heterozygous tall pea plants are mated, what is the expected genotypic ratio of their offspring?

Back

1 TT : 2 Tt : 1 tt