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Terms in this set (35)
____________ is the longest-running genetic experiment.
________ is the transmission of traits from one generation to the next.
________ is the scientific study of hereditary
A heritable feature that varies among individuals is called a
Each variant of a character is called a
The offspring of two different purebred varieties are called
Cross-fertilization is referred to to as a genetic
_ represents the parental generation
__ represents the hybrid offspring of the parental generation
__ represents the offspring
___ characteristic is studied in a monohybrid cross
_______ are both dominant and recessive
__________ are two identical alleles for a gene
____________ are two different alleles for a gene
_________________ states that a sperm or egg carries only one allele for each inherited character because the two alleles for a character segregate (separate) from each other during the process of gametes.
Law of Separation
_________ is physical appearance
________ is genetic makeup
___ genes are considered in a dihybrid cross
The ratio for phenotype is
The ratio for genotype is
(PP): 2 (Pp): 1 (pp)
Based on the phenotype one ______ determine the genotype
You can determine the genotype by performing a
A family tree representing the occurrence of heritable traits in parents and off-spring across a number of generations is called a
People with recessive disorders are born to parents who are ________ of the recessive allele for the disorder, so they appear to be normal.
_____________ is when a physician uses a needles to extract about 2 teaspoons of the fluid that bathes the developing fetus.
The ___ blood groups are controlled by three alleles of the same gene.
The ABO blood groups have ____ phenotypes.
Type _ blood is the universal donor
Type __ blood is the universal recipient.
___________ occurs when one gene influences several characters
An example of pleiotropy is
_______________________ is the additive effects of two or more genes on a single phenotype character
______ is affected by the environmental factors of nutrition and exercise.
2) Risk of heart disease
some human characters that are affected by both genes and the environment
1) Red-green Color Blindness
3) A type of muscular dystrophy
some examples of sex-linked genes
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