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. Pea plantshave a single gene, 2 allele trait for flower color where F (purpleflowers) is dominant to f (white flowers) and a single gene, 2allele trait for seed shape where R (round) is dominant to r(wrinkled).?

H) INDICATE THE POSSIBLE GENOTYPES OFPARENT PEA PLANTS IN CROSSES YIELDING THE FOLLOWINGRATIOS:

1) 3 ROUND: 1 WRINKLED SEED

2) ALL WHITE FLOWERS

3) ALL PURPLE FLOWERS (3 POSSIBILITIES)

4 ) 1 ROUND: 1 WRINKLED SEED

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Jean Keeling
Jean KeelingLv2
28 Sep 2019
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Related questions

PleaseExplain


In pea plants pea color is controlled by a single gene, 2 alleletrait where G (green peas) are dominant to g (yellowpeas). Seed shape is controlled by a single gene, 2allele trait (as described previously) where R (round seeds) aredominant to r (wrinkled seeds).

A) CROSS 2 YELLOW-ROUNDPEA PLANTS

a. WHAT ARETHE PARENT GENOTYPES?

b. HOW MANYGAMETE ALLELES DOES EACH PARENT PRODUCE?

c. WHAT ARETHE GAMETE ALLELES?

d. WHAT ISTHE RATIO OF THE FOLLOWING GENOTYPES?

i. YELLOW-ROUND

ii. YELLOW-WRINKLED

iii. GREEN-ROUND

iv. GREEN-WRINKLED

. In pea plants pea color iscontrolled by a single gene, 2 allele trait where G (green peas)are dominant to g (yellow peas). Seed shape iscontrolled by a single gene, 2 allele trait (as describedpreviously) where R (round seeds) are dominant to r (wrinkledseeds).

A) CROSS 2 YELLOW-ROUND PEAPLANTS

Question 1

What would be the dimensions of a Punnett square for the cross Hh x hh?

4 x 4

2 x 2

2 x 1

1 x 1

Question 2

In dogs, the gene for fur color has two alleles. The dominant allele (G) codes for grey and the recessive allele (g) codes for black fur. The female dog is heterozygous. The male dog is homozygous recessive. Figure out the phenotypes and genotypes possible in their puppies by using a Punnett Square. (provide answers on one line with commas between - xx, xx, xx, xx)

Genotypes: , ,

Phenotypes: ,

Question 3

The fundamental Mendelian process which involves the separation of alleles located at the same spot on the chromosome would be called ___.

segregation

independent assortment

continuous variation

discontinuous variation

Question 4

Using the information given on dominant and recessive traits, state the phenotype for each genotype. Purple flowers are dominant to white flowers in pea plants.

-A.B.C.

PP_____________

-A.B.C.

Pp____________
-A.B.C.

pp_______________
A.

purple flowers
B.

purple flowers
C.

white flowers

Question 5

In dogs, the gene for fur color has two alleles. The dominant allele (G) codes for grey and the recessive allele (g) codes for black fur. The female dog has black fur and the male dog is homozygous dominant. Make a Punnett square to determine the chance of getting each genotype and phenotype below.

-A.B.

Probability of GG:
-A.B.

Probability of Gg:
-A.B.

Probability of gg:
-A.B.

Probability of gray fur:
-A.B.

Probability of black fur:
A.

100
B.

0

Question 6

Using the information given on dominant and recessive traits, state the phenotype for each genotype. Round seeds are dominant to wrinkled seeds in pea plants.

-A.B.C.

RR______________
-A.B.C.

Rr _____________
-A.B.C.

rr ____________
A.

round seeds
B.

wrinkled seeds
C.

round seeds

Question 7

Using the information given on dominant and recessive traits, state the phenotype for each genotype. Hairy knuckles are dominant to non-hairy knuckles in humans.

-A.B.C.

HH_____________
-A.B.C.

Hh ___________
-A.B.C.

hh _________________
A.

non-hairy knuckles
B.

hairy knuckles
C.

hairy knuckles

Question 8

An allele is ___.

one of the bases in DNA

an alternate form of a gene

another term for epistasis

present only in males and is responsible for sex determination

Question 9

In a cross of a round hybrid pea with a true breeding round parent (Rr x RR), what genotypic proportions would be observed in the offspring?

Half heterozygous, half homozygous dominant

Half round, half wrinkled

All heterozygous

All round

Question 10

What would be the dimensions of a Punnett Square depicting a dihybrid cross?

1 x 4

2 x 4

4 x 4

2 x 2

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