T6 Genetics and the Science of Heredity

Mendel called an individual that has one dominant allele and one recessive for a trait a ________________.

An organism that is _________________ has two identical alleles for a trait.

Four alleles determine if a rabbit is white, brown, or gray. This is an example of _____________________.

When parent plants are crossed, scientists refer to the first generation of offspring as...

A _______________ organism is the offspring of many generations that have the same form of a trait.

Mendel said that the factors that control a trait exist in ______________ .

The pattern of inheritance in which more than one pair of genes affects a trait is _________________________.

The Process that produces sex cells is called ____________

Genes pass from parents to offspring on chromosomes.

Which of these genotypes is heterozygous

The pattern of inheritance in which one allele is only partially dominant is...

The pattern of inheritance in which there are three or more possible alleles for a trait is...

Height in humans is an example of

The alleles for a hybrid tall pea plant are represented as

Sex cells have twice the number of chromosomes as body cells.

Body cells of humans have 46 pairs of chromosomes

In the first division of meiosis, chromosome pairs line up and then separate.

A cow with a mix of red hairs and white hairs has the genotype H^R H^W. This is an example of ________________.  

The two chromosomes in a pair have the same genes lined up in the same order.

What Mendel called factors are now called

The scientific study of heredity is called ___________________

An organism that is ___________________ has two different alleles for a trait.

A seed can be round or wrinkled. Seed Shape is

The physical appearance of an organism is its ________________

A Punnett square shows the combination of _____________ that parents can pass on to offspring.

Which of these is NOT a phenotype?

A fertilized egg has twice then number of chromosomes as the body cells of the parent.

In a cross between individuals that are Aa x Aa, how many boxes of the Punnett square will show an offspring that is AA?

The genetic makeup of an organism is its ______________.

Walter Sutton investigated the number of _______________ in grasshoppers

Having pierced ears is an example of an __________________.

Capital letters are used to represent _______________ alleles.

Mendel's experiments showed that traits of an offspring were _________________ the characteristics of the parents.

a plant with red flowers crossed with a plant with white flowers produces a plant with pink flowers, it is an example of

Which of these is NOT a way to express probability?

A number that describes how likely it is that an event will occur is the _____________ of the event

The pattern of inheritance in which both genes are expressed equally is

Only changes in ____________  cells can be passed to offspring.