Genetics

Front

What is the genotype for a female who is a carrier for hemophilia?

Back

X^H X^h

Front

What is the probability that offspring from X^H X^h and X^H Y will have hemophilia?

Back

1/4

Front

What type of inheritance occurs when two alleles blend together?

Back

Incomplete Dominance

Front

How many alleles does an offspring receive from each parent for a specific trait?

Back

One

Front

If a horse with genotype WW is crossed with a horse with genotype ww, what fraction of the offspring will have white hair?

Back

All

Front

What does the term 'allele' refer to in genetics?

Back

Different forms of a gene that can exist at a specific locus.

Front

What is the definition of a recessive trait?

Back

A trait that is expressed only when two recessive alleles are present.

Front

What is the definition of a dominant trait?

Back

A trait that is expressed when at least one dominant allele is present.

Front

What is the significance of the X chromosome in sex-linked traits?

Back

It carries genes that can cause disorders like hemophilia, especially in males.

Front

What is co-dominance in genetics?

Back

A situation where both alleles in a heterozygote are fully expressed.