Posted: November 20th, 2015

Biology genetics question

Biology genetics question

Match the terms with the definitions.  Each term will only be used once.

1. both variations of two alleles which make up a gene are expressed in the phenotype

2. chromosome which determines individual’s sex; x or y chromosome

3. individual’s actual genetic make-up

4. a trait’s appearance; what’s expressed

5. alleles located on sex (usually X) chromosome

6. a gene composed of one dominant and one recessive allele

7. two variants of alleles for a gene but neither is dominant, neither is recessive; phenotype for heterozygous condition is blend of the two

8. causes one or more too many or one or more too few chromosomes in a gamete

9. alleles located on autosomes; phenotype determined by sex of individual

10. any chromosome other than sex chromosome

Answers are

1,Sex linked

2 Autosome

3. Heterozygous

4. nondisjunction

5. Sex Chromosome

6. Phenotype

7. co dominance

8 genotype

9. Incomplete dominance

10. Sex influenced

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