Worksheetsgenetics part-II
Total questions: 20
Worksheet time: 3hrs 20mins
(Grey fur (G) is dominant over white fur (g) and Black eyes (B) are dominant over red eyes(b))
A male rabbit GGbb crossed with a female rabbit with ggBb.
How many out of 16, have grey fur and black eyes?
4
8
12
16
(Grey fur (G) is dominant over white fur (g) and Black eyes (B) are dominant over red eyes(b))
A male rabbit GGbb crossed with a female rabbit with ggBb.
How many out of 16, have grey fur and red eyes?
4
8
12
16
(Grey fur (G) is dominant over white fur (g) and Black eyes (B) are dominant over red eyes(b))
A male rabbit GGbb crossed with a female rabbit with ggBb.
How many out of 16, have white fur and black eyes?
0
4
8
16
How can two parents with brown eyes have a child with blue eyes?
The parents may both have a recessive gene for blue eyes.
The child was born during the winter
Eye color in humans is not an inherited trait
The child was deprived of oxygen during its birth
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
9/16
3/16
1/16
16/16
parent 2: ggBb
Find the gametes for parent 1.
r= green
Which color is recessive?
The vampire bat father is homozygous recessive for black eyes (rr) and has fluffy ears.
If some of the vampire bat babies have smooth ears, what percentage of babies will have the same eyes and ears as their mom?
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
A white mouse with red eyes is crossed with a black mouse with brown eyes. The white mouse is recessive for both of its traits. The black mouse is dominant for both of its traits.
This cross would be
BBEE x bbee
BBEe x BbEe
BbEE x BbEe
BBee x BBEE
