1) Green is dominant over white for leaf color but f apple trees. If a white tre

Question

1) Green is dominant over white for leaf color but f apple trees. If a white tree is crossed with heterozygous green tree. What percent of the F1 generation will be white?

2) if two heterozygous individuals are bred together, what is the ratio of Green to white?

3) if two heterozygous individuals are bred together, what parentage will be homozygous?
4) If two homozygous individuals of both colors are bred (P), what percent of F2 are green from crossing the F1 generation? 1) Green is dominant over white for leaf color but f apple trees. If a white tree is crossed with heterozygous green tree. What percent of the F1 generation will be white?

2) if two heterozygous individuals are bred together, what is the ratio of Green to white?

3) if two heterozygous individuals are bred together, what parentage will be homozygous?
4) If two homozygous individuals of both colors are bred (P), what percent of F2 are green from crossing the F1 generation? 1) Green is dominant over white for leaf color but f apple trees. If a white tree is crossed with heterozygous green tree. What percent of the F1 generation will be white?

2) if two heterozygous individuals are bred together, what is the ratio of Green to white?

3) if two heterozygous individuals are bred together, what parentage will be homozygous?
4) If two homozygous individuals of both colors are bred (P), what percent of F2 are green from crossing the F1 generation? 1) Green is dominant over white for leaf color but f apple trees. If a white tree is crossed with heterozygous green tree. What percent of the F1 generation will be white?

2) if two heterozygous individuals are bred together, what is the ratio of Green to white?

3) if two heterozygous individuals are bred together, what parentage will be homozygous?
4) If two homozygous individuals of both colors are bred (P), what percent of F2 are green from crossing the F1 generation?

Explanation / Answer

1) Let DOMINANT green gene be denoted as G and RECESSIVE white gene be denoted as g

G is dominant over g

So, in dominant condition there can be homozygous condition i.e GG or heterozygous condition i.e Gg

gg * Gg White

The percentage of F1 that will be white are 2/4* 100 = 50%.

2.

Gg * Gg

The ratio of green to white is 3:1

3.

Gg * Gg

The percentage of homozygous will be 2/4 *100 = 50%.

4.

Parental : GG * gg :

F1 : white

F2: Gg *Gg

Percent of F2 that are green are 3/4 * 100 = 75%.

Green g g G Gg green Gg green g gg white gg white

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