Reproduction & Genetics - 1

Which statement describes how two organisms can show the same trait but have different genotypes for that phenotype?

• One is homozygous dominant and the other is homozygous recessive

• Both are homozygous for the dominant trait

• One is homozygous dominant and the other is heterozygous

• Both are heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In the Smith family, the father has hemophilia and the mother is a carrier for hemophilia. Hemophilia is a sex-linked recessive condition affecting blood clotting.

The correct genes for a carrier mother would be?

• X^HX^H

• X^HX^h

• X^HY

• X^HX

Tags

NGSS.HS-LS3-1

In the Smith family, the father has hemophilia and the mother is a carrier for hemophilia. Hemophilia is a sex-linked recessive condition affecting blood clotting.

The correct genes for the father with hemophilia would be?

• X^HY^H

• X^HX^h

• X^HY

• X^hY

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Hemophilia is sex-linked. Cross a carrier female with an affected male.

Out of four children, the expected number of boys with hemophilia is ____________

• 0

• 1

• 2

• 4

Tags

NGSS.HS-LS3-1

What is a tool called that is used to predict the heredity percentages of offspring?

• pedigree

• Punnett triangle

• karyotype

• Punnett square

All of the following are forms of asexual reproduction, EXCEPT

• binary fission

• mitosis

• meiosis

• budding

Tags

NGSS.MS-LS3-2

In snap dragons the gene for flower color has incomplete dominance. If a red flower is crossed with a white flower, what color will the offspring be?

• pink

• red

• white

• blue

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Both hemophilia and red-green color blindness are ___________.

• inherited only from the mother

• located on the Y chromosome

• caused by a dominant gene

• sex-linked conditions

A chart containing all the chromosomes in a person's cells is called

• Punnett square

• pedigree

• karyotype

• cross

PUNNETT SQUARE

If a mother has heterozygous blood type A and a father has blood type AB, which of the following CANNOT be a correct genotype for the blood type of their children?

• I^AI^A

• I^AI^B

• I^Bi

• ii

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2